{"id":457,"date":"2026-03-21T18:41:30","date_gmt":"2026-03-21T18:41:30","guid":{"rendered":"https:\/\/minevindel.com\/?page_id=457"},"modified":"2026-03-21T18:41:30","modified_gmt":"2026-03-21T18:41:30","slug":"tema-2","status":"publish","type":"page","link":"http:\/\/minevindel.com\/index.php\/tema-2\/","title":{"rendered":"Tema 2"},"content":{"rendered":"<p><strong>2. SULFUROS Y SULFOSALES<\/strong>.<strong> <\/strong><\/p>\n<p><strong>GALENA<\/strong><\/p>\n<p>F\u00f3rmula: PbS<\/p>\n<p>Sistema cristalino: C\u00fabico.<\/p>\n<p>Forma y h\u00e1bito: La forma m\u00e1s com\u00fan es el cubo. Son raros los dodecaedros y los triaquisoctaedros. Maclas {111} de contacto o de penetraci\u00f3n.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Gris plomo.<\/p>\n<p>Exfoliaci\u00f3n: {001} perfecta.<\/p>\n<p>Fractura subconcoidea.<\/p>\n<p>Raya: Gris plomo.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>2,5<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 7,4-7,6 g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n: <\/strong>Pb 86,6% S 13,4%. La galena tiene mezcla o soluci\u00f3n s\u00f3lida de  minerales  de plata, como acantita o tetraedrita.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1100\" height=\"880\" alt=\"E:\\1_DOCUMENTOS\\GEOIMAGENES\\GEOIMAGENES MA\\Figura 5. Galena.jpg\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-12.jpeg\" class=\"wp-image-458\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-12.jpeg 1100w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-12-300x240.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-12-1024x819.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-12-768x614.jpeg 768w\" sizes=\"auto, (max-width: 1100px) 100vw, 1100px\" \/><\/strong><\/p>\n<p>Galena. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F4\\GALENA2.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-galena2-jpg.jpeg\" class=\"wp-image-459\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-galena2-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-galena2-jpg-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-galena2-jpg-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-galena2-jpg-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Galena (gris) y cuarzo ahumado (amarillo). Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong>ESFALERITA (Blenda)<\/strong><\/p>\n<p>F\u00f3rmula: ZnS<\/p>\n<p>Sistema cristalino: C\u00fabico<\/p>\n<p>Forma y h\u00e1bito: Las formas m\u00e1s comunes son el tetraedro, dodecaedro y cubo. Maclas polisint\u00e9ticas {111}. Tambi\u00e9n en agregados redondeados, masas exfoliables, botroidales y criptocristalinas.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Marr\u00f3n a negro con el aumento del hierro. Tambi\u00e9n, roja (rub\u00ed de cinc), amarilla escasa.<\/p>\n<p>Exfoliaci\u00f3n: {011} perfecta.<\/p>\n<p>Fractura concoidea.<\/p>\n<p>Raya: Blanca a amarilla y casta\u00f1a.<\/p>\n<p>Brillo: No met\u00e1lico a submet\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>3,5 &#8211; 4<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 3,9 -4,1 g\/cm<sup>3<\/sup><\/p>\n<p><strong>Composici\u00f3n:<\/strong> Zn 67% S 33%.Casi siempre contiene hierro. La marmatita es una variedad rica en hierro. El manganeso y el cadmio se encuentran en soluci\u00f3n s\u00f3lida.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1031\" height=\"825\" alt=\"G:\\2_FOTOS\\FOTOS MUSEO LONDRES\\BLENDA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-museo-londres-blenda-jpg.jpeg\" class=\"wp-image-460\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-museo-londres-blenda-jpg.jpeg 1031w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-museo-londres-blenda-jpg-300x240.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-museo-londres-blenda-jpg-1024x819.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-museo-londres-blenda-jpg-768x615.jpeg 768w\" sizes=\"auto, (max-width: 1031px) 100vw, 1031px\" \/><\/p>\n<p>Esfalerita roja (rub\u00ed de cinc). History Museum de Londres. Foto E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F4\\DSC09336.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09336-jpg.jpeg\" class=\"wp-image-461\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09336-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09336-jpg-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09336-jpg-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09336-jpg-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Esfalerita (amarilla, casta\u00f1o) y galena (plateada), botroidal. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" alt=\"G:\\1_DOCUMENTOS\\SILICATOS\\imagenes minerales\\FOTOSNOSILICATOS VISU\\Sulfuros y Sulfosales\\Esfalerita II.jpg\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-silicatos-imagenes-minerales-fotos-4.jpeg\" class=\"wp-image-462\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-silicatos-imagenes-minerales-fotos-4.jpeg 640w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-silicatos-imagenes-minerales-fotos-4-300x225.jpeg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/strong><\/p>\n<p>Esfalerita. Colecci\u00f3n de la Universidad Complutense.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"916\" alt=\"F:\\Caja F2\\ESFALERITA2.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-esfalerita2-jpg.jpeg\" class=\"wp-image-463\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-esfalerita2-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-esfalerita2-jpg-300x200.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-esfalerita2-jpg-1024x681.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-esfalerita2-jpg-768x511.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/p>\n<p>Esfalerita con calcita. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"916\" alt=\"F:\\Caja F33\\BLENDA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f33-blenda-jpg.jpeg\" class=\"wp-image-464\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f33-blenda-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f33-blenda-jpg-300x200.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f33-blenda-jpg-1024x681.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f33-blenda-jpg-768x511.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Esfalerita variedad marmatita, que es una variedad rica en hierro. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F4\\DSC09355.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg.jpeg\" class=\"wp-image-465\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Esfalerita (marr\u00f3n) y calcopirita (amarilla) Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong>PIRITA<\/strong><\/p>\n<p>F\u00f3rmula: FeS<sub>2<\/sub><\/p>\n<p>Sistema cristalino: C\u00fabico.<\/p>\n<p>Forma y h\u00e1bito: Aparece en forma de cristales, cubos, piritoedro (dodecaedro pentagonal), y octaedro. El cubo tiene habitualmente estr\u00edas. Dos piritoedros pueden formar una macla de penetraci\u00f3n, llamada \u201ccruz de hierro\u201d. Tambi\u00e9n es granular, maciza, reniforme y estalact\u00edtica.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Amarillo lat\u00f3n p\u00e1lido.<\/p>\n<p>Partici\u00f3n: {011} y {111}.<\/p>\n<p>Fractura concoidea, irregular.<\/p>\n<p>Raya: Negra verdosa.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>6-6,5<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 5,02  g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p>Paramagn\u00e9tico.<\/p>\n<p>Presenta en dos polimorfos, pirita y marcasita.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Fe 46,6% S 53,4. Puede tener n\u00edquel y cobalto.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1034\" height=\"824\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\GEOIMAGENES\\GEOIMAGENES MA\\Figura 4. Pirita.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-geoimagenes-geoima-2.jpeg\" class=\"wp-image-466\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-geoimagenes-geoima-2.jpeg 1034w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-geoimagenes-geoima-2-300x239.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-geoimagenes-geoima-2-1024x816.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-geoimagenes-geoima-2-768x612.jpeg 768w\" sizes=\"auto, (max-width: 1034px) 100vw, 1034px\" \/><\/p>\n<p>Cubos de pirita. Navaj\u00fan, La Rioja. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1032\" height=\"825\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\MINERALES CONCURSO ELEKTRA\\50 Pirita.jpg.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-4.jpeg\" class=\"wp-image-467\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-4.jpeg 1032w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-4-300x240.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-4-1024x819.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-4-768x614.jpeg 768w\" sizes=\"auto, (max-width: 1032px) 100vw, 1032px\" \/><\/strong><\/p>\n<p>Piritoedros. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"J:\\Caja F2\\PIRITA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/j-caja-f2-pirita-jpg.jpeg\" class=\"wp-image-468\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/j-caja-f2-pirita-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/j-caja-f2-pirita-jpg-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/j-caja-f2-pirita-jpg-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/j-caja-f2-pirita-jpg-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Cubos de pirita con estr\u00edas. Navaj\u00fan, La Rioja. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F4\\DSC09335.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09335-jpg.jpeg\" class=\"wp-image-469\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09335-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09335-jpg-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09335-jpg-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09335-jpg-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Corte de pizarras con piritoedros. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F4\\PIRITA2.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-pirita2-jpg.jpeg\" class=\"wp-image-470\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-pirita2-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-pirita2-jpg-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-pirita2-jpg-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-pirita2-jpg-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Cubo de pirita. Navaj\u00fan, La Rioja. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F4\\DSC09344.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09344-jpg.jpeg\" class=\"wp-image-471\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09344-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09344-jpg-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09344-jpg-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09344-jpg-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Cristales de pirita. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1398\" height=\"930\" alt=\"C:\\Users\\ELENA VINDEL\\Pictures\\4_FOTOSWEB\\Geominero 2\\DSC09517.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-pictures-4_fotosweb-geominer-14.jpeg\" class=\"wp-image-472\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-pictures-4_fotosweb-geominer-14.jpeg 1398w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-pictures-4_fotosweb-geominer-14-300x200.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-pictures-4_fotosweb-geominer-14-1024x681.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-pictures-4_fotosweb-geominer-14-768x511.jpeg 768w\" sizes=\"auto, (max-width: 1398px) 100vw, 1398px\" \/><\/strong><\/p>\n<p>Pirita. Museo Geominero. Foto E. Vindel.<\/p>\n<p><strong>MARCASITA<\/strong><\/p>\n<p>F\u00f3rmula: FeS<sub>2<\/sub><\/p>\n<p>Sistema cristalino: R\u00f3mbico.<\/p>\n<p>Forma y h\u00e1bito: Los cristales son tabulares. Se dan maclas en \u201ccresta de gallo\u201d. Se presenta en formas radiadas, globulares y reniformes.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Amarillo p\u00e1lido o casi blanco.<\/p>\n<p>Exfoliaci\u00f3n: {101} d\u00e9bilmente distinguible.<\/p>\n<p>Fractura desigual.<\/p>\n<p>Raya: Negra gris\u00e1cea.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>6-6,5<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 4,89  g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p>Presenta en dos polimorfos, pirita y marcasita.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Polimorfa de la pirita.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F33\\MARCASITA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f33-marcasita-j.jpeg\" class=\"wp-image-473\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f33-marcasita-j.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f33-marcasita-j-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f33-marcasita-j-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f33-marcasita-j-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Marcasita en \u201ccresta de gallo\u201d. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong>PIRROTINA<\/strong><\/p>\n<p>F\u00f3rmula: Fe<sub>1-X<\/sub>S entre 0 y 0,21<\/p>\n<p>Sistema cristalino: Monocl\u00ednico, para la forma estable de baja temperatura. Hexagonal, para la forma estable de alta temperatura.<\/p>\n<p>Forma y h\u00e1bito: Cristales hexagonales, tabulares y dispuestas en rosetas. Usualmente masiva, granular.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Bronce-amarillo.<\/p>\n<p>Exfoliaci\u00f3n: Ninguna.<\/p>\n<p>Partici\u00f3n: {001} distinguible, {102} menos distinguible.<\/p>\n<p>Fractura irregular, subconcoidea.<\/p>\n<p>Raya: Negra gris\u00e1cea.<\/p>\n<p>Brillo: Met\u00e1lico<\/p>\n<p>Dureza: <strong>H <\/strong>3,5 \u2013 4,5<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 4,58-4,65 g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p>Magn\u00e9tico.<\/p>\n<p><strong>Composici\u00f3n: <\/strong>Fe<sub>1-X<\/sub>S entre 0 y 0,21.<\/p>\n<p>Cristales hexagonales de pirrotina. Smithsonian Institution. Foto E. Vindel.<br \/>\n  <img loading=\"lazy\" decoding=\"async\" width=\"839\" height=\"630\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\Mine II DT\\FOTOS MINE II\\PIRROTINA.jpg\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-mine-ii-dt-fotos-m-2.jpeg\" class=\"wp-image-474\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-mine-ii-dt-fotos-m-2.jpeg 839w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-mine-ii-dt-fotos-m-2-300x225.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-mine-ii-dt-fotos-m-2-768x577.jpeg 768w\" sizes=\"auto, (max-width: 839px) 100vw, 839px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\Miguel Angel\\Desktop\\Museo de Vitoria\\PIRROTINA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-pir.jpeg\" class=\"wp-image-475\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-pir.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-pir-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-pir-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-pir-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/p>\n<p>Rosetas de pirrotina. Museo de Ciencias Naturales de \u00c1lava. Foto E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F4\\DSC09341.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09341-jpg.jpeg\" class=\"wp-image-476\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09341-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09341-jpg-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09341-jpg-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09341-jpg-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/p>\n<p>Pirrotina. Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong>CALCOSINA<\/strong><\/p>\n<p>F\u00f3rmula: Cu<sub>2<\/sub>S<\/p>\n<p>Sistema cristalino: Monocl\u00ednico, para la forma estable de baja temperatura (por debajo 105C).  Hexagonal por encima de esa temperatura.<\/p>\n<p>Forma y h\u00e1bito: Cristales muy raros. Finamente granulado.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Gris acero a negro.<\/p>\n<p>Fractura concoidea.<\/p>\n<p>Raya: Negra a gris oscura.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>2,5 &#8211; 3<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 5,5 \u2013 5,8  g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Cu 79,8 S 20,2. Peque\u00f1as cantidades de Ag y Fe.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1398\" height=\"929\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Geominero\\DSC09429.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09429-j.jpeg\" class=\"wp-image-477\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09429-j.jpeg 1398w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09429-j-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09429-j-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09429-j-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1398px) 100vw, 1398px\" \/><\/p>\n<p>Calcosina (negra). Museo Geominero. Foto E. Vindel.<\/p>\n<p><strong>BORNITA<\/strong><\/p>\n<p>F\u00f3rmula: Cu<sub>5<\/sub>FeS<sub>4<\/sub><\/p>\n<p>Sistema cristalino: Tetragonal.<\/p>\n<p>Forma y h\u00e1bito: Cristales muy raros, pseudoc\u00fabicos. Aparecen en masas.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Pardo\u2013bronce en superficies frescas, pero r\u00e1pidamente, al aire, se cubre una p\u00e1tina iridiscente azul oscuro, p\u00farpura y finalmente negra.<\/p>\n<p>Exfoliaci\u00f3n: Pobre {111}<\/p>\n<p>Fractura subconcoidea, irregular.<\/p>\n<p>Raya: Negra gris\u00e1cea.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>3<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 5,06 \u2013 5,08  g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n: <\/strong>Cu 63,3% Fe 11,2% S 25,5%.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1398\" height=\"929\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Geominero\\BORNITA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-bornita-jp.jpeg\" class=\"wp-image-478\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-bornita-jp.jpeg 1398w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-bornita-jp-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-bornita-jp-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-bornita-jp-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1398px) 100vw, 1398px\" \/><\/p>\n<p>Bornita (Mantua, Cuba). Museo Geominero. Foto E. Vindel.<\/p>\n<p><strong>CALCOPIRITA<\/strong><\/p>\n<p>F\u00f3rmula: CuFeS<sub>2<\/sub><\/p>\n<p>Sistema cristalino: Tetragonal.<\/p>\n<p>Forma y h\u00e1bito: Normalmente en masas.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Amarillo lat\u00f3n.<\/p>\n<p>Exfoliaci\u00f3n: Apenas perceptible.<\/p>\n<p>Fractura irregular.<\/p>\n<p>Raya: Negra verdosa.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>3,5 \u2013 4<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 4,1 \u2013 4,3  g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Cu 34,6% Fe 30,4% S 35,0% La calcopirita se desv\u00eda poco de la f\u00f3rmula ideal.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" alt=\"G:\\1_DOCUMENTOS\\SILICATOS\\imagenes minerales\\FOTOSNOSILICATOS VISU\\Sulfuros y Sulfosales\\Calcopirita II.jpg\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-silicatos-imagenes-minerales-fotos-5.jpeg\" class=\"wp-image-479\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-silicatos-imagenes-minerales-fotos-5.jpeg 640w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-silicatos-imagenes-minerales-fotos-5-300x225.jpeg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Calcopirita. Colecci\u00f3n de la Universidad Complutense.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F4\\DSC09355.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg-1.jpeg\" class=\"wp-image-480\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg-1.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg-1-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg-1-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-dsc09355-jpg-1-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Calcopirita (amarilla) y esfalerita (marr\u00f3n). Colecci\u00f3n privada de E. Vindel.<\/p>\n<p><strong>COVELLINA<\/strong><\/p>\n<p>F\u00f3rmula: CuS<\/p>\n<p>Sistema cristalino: Hexagonal.<\/p>\n<p>Forma y h\u00e1bito: Raramente en cristales. Est\u00e1 diseminada en los minerales cobre.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Negro azulado. Puede tener irisaciones.<\/p>\n<p>Exfoliaci\u00f3n: {0001} perfecta.<\/p>\n<p>Raya: Gris plomo a negra.<\/p>\n<p>Brillo: Submet\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>1,5 \u2013 2<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 4,6 \u2013 4,7 g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Cu 66,4% S 33,6%.  Puede incluir peque\u00f1as cantidades de hierro.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1398\" height=\"929\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Geominero\\DSC09434.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09434-j.jpeg\" class=\"wp-image-481\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09434-j.jpeg 1398w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09434-j-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09434-j-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-geominero-dsc09434-j-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1398px) 100vw, 1398px\" \/><\/p>\n<p>Covellina. Museo Geominero. Foto E. Vindel.<\/p>\n<p><strong>CINABRIO<\/strong><\/p>\n<p>F\u00f3rmula: HgS<\/p>\n<p>Sistema cristalino: Trigonal.<\/p>\n<p>Forma y h\u00e1bito: Los cristales de cinabrio son rombo\u00e9dricos. Normalmente se encuentra en masas finas,  diseminaciones, incrustaciones o masivo.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Rojo.<\/p>\n<p>Exfoliaci\u00f3n: {1010} perfecta.<\/p>\n<p>Fractura subconcoidea, irregular.<\/p>\n<p>Raya: Roja.<\/p>\n<p>Brillo: Si es puro, tiene brillo adamantino, pero es impuro llega a ser  terroso mate.<\/p>\n<p>Dureza: <strong>H <\/strong>2,5<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 8,10 g\/cm<sup>3<\/sup><\/p>\n<p><strong>Composici\u00f3n:<\/strong> Hg 86,2% S 13,8%. Trazas de selenio y teluro.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\MINERALES CONCURSO ELEKTRA\\4 Cinabrio.jpg.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-5.jpeg\" class=\"wp-image-482\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-5.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-5-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-5-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-5-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/p>\n<p>Cristal de cinabrio con calcita. Colecci\u00f3n privada E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"942\" height=\"574\" alt=\"Cinabrio2\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/cinabrio2.png\" class=\"wp-image-483\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/cinabrio2.png 942w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/cinabrio2-300x183.png 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/cinabrio2-768x468.png 768w\" sizes=\"auto, (max-width: 942px) 100vw, 942px\" \/><\/p>\n<p>Cristales de cinabrio. Colecci\u00f3n privada E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" alt=\"G:\\1_DOCUMENTOS\\SILICATOS\\imagenes minerales\\FOTOSNOSILICATOS VISU\\Sulfuros y Sulfosales\\Cinabrio I.jpg\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-silicatos-imagenes-minerales-fotos-6.jpeg\" class=\"wp-image-484\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-silicatos-imagenes-minerales-fotos-6.jpeg 640w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-silicatos-imagenes-minerales-fotos-6-300x225.jpeg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/strong><\/p>\n<p>Cinabrio. Colecci\u00f3n de la Universidad Complutense.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F4\\CINABRIO.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-cinabrio-jpg.jpeg\" class=\"wp-image-485\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-cinabrio-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-cinabrio-jpg-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-cinabrio-jpg-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f4-cinabrio-jpg-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Cristales de cinabrio. Colecci\u00f3n privada E. Vindel.<\/p>\n<p><strong>REJALGAR<\/strong><\/p>\n<p>F\u00f3rmula: AsS<\/p>\n<p>Sistema cristalino: Monocl\u00ednico.<\/p>\n<p>Forma y h\u00e1bito: Cristales cortos y estriados prism\u00e1ticos. Granuloso y terroso.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Rojo anaranjado.<\/p>\n<p>Exfoliaci\u00f3n: {010} buena.<\/p>\n<p>Raya: Roja o algo anaranjada.<\/p>\n<p>Brillo: Resinoso.<\/p>\n<p>Dureza: <strong>H <\/strong> 1,5 &#8211; 2<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 3,48 g\/cm<sup>3<\/sup><\/p>\n<p>S\u00e9ctil.<\/p>\n<p><strong>Composici\u00f3n: <\/strong>As 70,1% S 29,9 %.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\MINERALES CONCURSO ELEKTRA\\10 Oropimente y Rejalgar.jpg.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-6.jpeg\" class=\"wp-image-486\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-6.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-6-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-6-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-6-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/p>\n<p>Rojo (rejalgar) y amarillo (oropimente). Colecci\u00f3n privada E. Vindel.<\/p>\n<p><strong>OROPIMENTE<\/strong><\/p>\n<p>F\u00f3rmula: As<sub>2<\/sub>S<sub>3<\/sub><\/p>\n<p>Sistema cristalino: Monocl\u00ednico.<\/p>\n<p>Forma y h\u00e1bito: Cristales peque\u00f1os, tabulares y  prism\u00e1ticos. Masas.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Amarillo dorado o amarillo pardo.<\/p>\n<p>Exfoliaci\u00f3n: {010} perfecta.<\/p>\n<p>Raya: Amarilla clara.<\/p>\n<p>Brillo: Resinoso.<\/p>\n<p>Dureza: <strong>H <\/strong> 1,5 &#8211; 2<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 3,49 g\/cm<sup>3<\/sup><\/p>\n<p>S\u00e9ctil.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> As 61% S 39%. Contiene hasta 2,7% de antimonio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\MINERALES CONCURSO ELEKTRA\\10 Oropimente y Rejalgar.jpg.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-7.jpeg\" class=\"wp-image-487\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-7.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-7-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-7-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-7-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/p>\n<p>Rojo (rejalgar) y amarillo (oropimente). Colecci\u00f3n privada E. Vindel.<\/p>\n<p><strong>ARSENOPIRITA<\/strong><\/p>\n<p>F\u00f3rmula: FeAsS<\/p>\n<p>Sistema cristalino: Monocl\u00ednico, pseudor\u00f3mbico.<\/p>\n<p>Forma y h\u00e1bito: Cristales prism\u00e1ticos. Maclas seg\u00fan {100} y {001}. Maclas de contacto {110}.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Blanco de plata hasta acero gris.<\/p>\n<p>Exfoliaci\u00f3n: Distinguible seg\u00fan {101}, pobre seg\u00fan {010}.<\/p>\n<p>Fractura desigual.<\/p>\n<p>Raya: Negra.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong> 5,5 &#8211; 6<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 6,07 g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Varia entre FeAs<sub>0,9<\/sub>S<sub>1,1 <\/sub>y FeAs<sub>1,1<\/sub>S<sub>0,9<\/sub>.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\MINERALES CONCURSO ELEKTRA\\48 Arsenopirita.jpg.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-8.jpeg\" class=\"wp-image-488\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-8.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-8-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-8-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-8-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><br \/>\n  Arsenopirita con cuarzo. Colecci\u00f3n privada E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\Miguel Angel\\Desktop\\Museo de Vitoria\\ARSENOPIRITA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-ars.jpeg\" class=\"wp-image-489\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-ars.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-ars-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-ars-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-miguel-angel-desktop-museo-de-vitoria-ars-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Cristales de arsenopirita. Museo de Ciencias Naturales de \u00c1lava. Foto E. Vindel.<\/p>\n<p><strong>ESTIBINA<\/strong><\/p>\n<p>F\u00f3rmula: Sb<sub>2<\/sub>S<sub>3<\/sub><\/p>\n<p>Sistema cristalino: R\u00f3mbico.<\/p>\n<p>Forma y h\u00e1bito: Cristales prism\u00e1ticos delgados y a veces curvados. Masivo.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Gris plomo a negro.<\/p>\n<p>Exfoliaci\u00f3n: {010}perfecta y d\u00e9biles {100},{110}<\/p>\n<p>Raya: Gris oscura.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong> 2,0<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 4,52 &#8211; 4,62 g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Sb 71,4% S 28,6%. Contiene oro, plata, cobre, hierro y plomo en peque\u00f1as cantidades.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\MINERALES CONCURSO ELEKTRA\\ESTIBINA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-9.jpeg\" class=\"wp-image-490\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-9.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-9-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-9-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-minerales-concurso-9-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Cristales prism\u00e1ticos de estibina.<strong> <\/strong>Colecci\u00f3n privada E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"916\" alt=\"F:\\Caja F2\\ESTIBINA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina-jpg.jpeg\" class=\"wp-image-491\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina-jpg-300x200.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina-jpg-1024x681.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina-jpg-768x511.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/p>\n<p>Estibina masiva. Colecci\u00f3n privada E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"916\" alt=\"F:\\Caja F2\\ESTIBINA2.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina2-jpg.jpeg\" class=\"wp-image-492\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina2-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina2-jpg-300x200.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina2-jpg-1024x681.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina2-jpg-768x511.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/p>\n<p>Cristales prism\u00e1ticos delgados de estibina. Colecci\u00f3n privada E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"916\" alt=\"F:\\Caja F2\\ESTIBINA5.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina5-jpg.jpeg\" class=\"wp-image-493\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina5-jpg.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina5-jpg-300x200.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina5-jpg-1024x681.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/f-caja-f2-estibina5-jpg-768x511.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/p>\n<p>Cristales prism\u00e1ticos afilados de estibina. Colecci\u00f3n privada E. Vindel.<\/p>\n<p><strong>MOLIBDENITA<\/strong><\/p>\n<p>F\u00f3rmula: MoS<sub>2<\/sub><\/p>\n<p>Sistema cristalino: Hexagonal<\/p>\n<p>Forma y h\u00e1bito: Cristales en placas hexagonales. Masivo o en escamas.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Gris plomo.<\/p>\n<p>Exfoliaci\u00f3n: {0001} perfecta.<\/p>\n<p>Raya: Azulada gris.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong> 1 \u2013 1,5<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 4,62 &#8211; 4,73 g\/cm<sup>3<\/sup><\/p>\n<p>S\u00e9ctil.<\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Mo 59,9% S 40,1%.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\FOTOS DE MINERALES Y ROCAS\\DSC00733.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-60.jpeg\" class=\"wp-image-494\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-60.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-60-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-60-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-60-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><\/strong><\/p>\n<p>Molibdenita hexagonal. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong>SULFOSALES<\/strong><\/p>\n<p>Las sulfosales abarcan un grupo diverso de minerales. Las sulfosales podr\u00edan contemplarse como sulfuros dobles.<\/p>\n<p><strong>BOURNONITA<\/strong><\/p>\n<p>F\u00f3rmula: PbCuSb<sub>3<\/sub><\/p>\n<p>Sistema cristalino: R\u00f3mbico.<\/p>\n<p>Forma y h\u00e1bito: Cristales prism\u00e1ticos acortados. Normalmente, en agregados en masa o granular.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Gris acero, gris plomo.<\/p>\n<p>Exfoliaci\u00f3n:{010}imperfecta.<\/p>\n<p>Raya: Gris.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong> 2,5 \u2013 3<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 5,7 \u2013 5,9 g\/cm<sup>3<\/sup><\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> La bournonita puede abarcar hasta un 3% de As.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"915\" alt=\"C:\\Users\\ELENA VINDEL\\Desktop\\Caja F2\\BOURNONITA.JPG\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f2-bournonita-j.jpeg\" class=\"wp-image-495\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f2-bournonita-j.jpeg 1377w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f2-bournonita-j-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f2-bournonita-j-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-desktop-caja-f2-bournonita-j-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><br \/>\n  Bournonita (gris) con cuarzo (blanco). Colecci\u00f3n privada E. Vindel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2. SULFUROS Y SULFOSALES. GALENA F\u00f3rmula: PbS Sistema cristalino: C\u00fabico. Forma y h\u00e1bito: La forma m\u00e1s com\u00fan es el cubo. Son raros los dodecaedros y los triaquisoctaedros. Maclas {111} de contacto o de penetraci\u00f3n. Propiedades f\u00edsicas: Color: Gris plomo. Exfoliaci\u00f3n: {001} perfecta. Fractura subconcoidea. Raya: Gris plomo. Brillo: Met\u00e1lico. Dureza: H 2,5 Peso espec\u00edfico: G&hellip; <a class=\"more-link\" href=\"http:\/\/minevindel.com\/index.php\/tema-2\/\">Seguir leyendo <span class=\"screen-reader-text\">Tema 2<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-457","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/pages\/457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/comments?post=457"}],"version-history":[{"count":1,"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/pages\/457\/revisions"}],"predecessor-version":[{"id":496,"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/pages\/457\/revisions\/496"}],"wp:attachment":[{"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/media?parent=457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}