{"id":754,"date":"2026-03-21T18:41:17","date_gmt":"2026-03-21T18:41:17","guid":{"rendered":"https:\/\/minevindel.com\/?page_id=754"},"modified":"2026-03-21T18:41:17","modified_gmt":"2026-03-21T18:41:17","slug":"tema-1","status":"publish","type":"page","link":"http:\/\/minevindel.com\/index.php\/tema-1\/","title":{"rendered":"Tema 1"},"content":{"rendered":"<p><strong>1. ELEMENTOS NATIVOS<\/strong><\/p>\n<p><strong>ORO <\/strong>(metal nativo)<\/p>\n<p>F\u00f3rmula: Au<\/p>\n<p>Sistema cristalino: C\u00fabico.<\/p>\n<p>Forma y h\u00e1bito: Rara vez adoptan formas de cristal, normalmente en forma de placas, l\u00e1minas, pepitas, estructuras arborescentes, reticuladas y dendr\u00edticas.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Amarillo si es puro, m\u00e1s claro si contiene plata y rojizo con cobre.<\/p>\n<p>Exfoliaci\u00f3n: Ninguna<\/p>\n<p>Fractura irregular.<\/p>\n<p>Raya: Amarilla.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>2,5-3<\/p>\n<p>Peso espec\u00edfico: <strong>G <\/strong>19,3 g\/cm<sup>3<\/sup><\/p>\n<p>Muy maleable y d\u00factil.<\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Oro y plata muestran una serie completa de soluci\u00f3n s\u00f3lida.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"730\" class=\"wp-image-755\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-usa-2013-res-15.jpeg\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\FOTOS USA 2013\\RESUMEN USA 2013\\DSC05333.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-usa-2013-res-15.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-usa-2013-res-15-300x169.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-usa-2013-res-15-1024x575.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-usa-2013-res-15-768x432.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/strong><\/p>\n<p>Pepitas de oro. Field Museum Chicago. Foto E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"730\" class=\"wp-image-756\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05332-jpg-12.jpeg\" alt=\"E:\\2_FOTOS\\USA\\RESUMEN USA 2013\\DSC05332.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05332-jpg-12.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05332-jpg-12-300x169.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05332-jpg-12-1024x575.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05332-jpg-12-768x432.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/p>\n<p>Pepitas de oro. Field Museum Chicago. Foto E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"730\" class=\"wp-image-757\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05324-jpg-12.jpeg\" alt=\"E:\\2_FOTOS\\USA\\RESUMEN USA 2013\\DSC05324.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05324-jpg-12.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05324-jpg-12-300x169.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05324-jpg-12-1024x575.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05324-jpg-12-768x432.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/p>\n<p>Oro en forma reticulada. Field Museum Chicago. Foto E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"730\" class=\"wp-image-758\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05325-jpg-12.jpeg\" alt=\"E:\\2_FOTOS\\USA\\RESUMEN USA 2013\\DSC05325.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05325-jpg-12.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05325-jpg-12-300x169.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05325-jpg-12-1024x575.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-usa-resumen-usa-2013-dsc05325-jpg-12-768x432.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/p>\n<p>Oro en forma reticulada. Field Museum Chicago. Foto E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"863\" class=\"wp-image-759\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-15.jpeg\" alt=\"E:\\2_FOTOS\\FOTOS DE GEOLOGIA\\SMITHSONIAN 2011\\DSC00714.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-15.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-15-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-15-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-15-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/p>\n<p>Pepita de oro. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"863\" class=\"wp-image-760\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-61.jpeg\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\FOTOS DE MINERALES Y ROCAS\\DSC00704.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-61.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-61-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-61-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-61-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/strong><\/p>\n<p>L\u00e1mina de oro. Smithsonian Institution. Foto E. Vindel<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"863\" class=\"wp-image-761\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-28.jpeg\" alt=\"E:\\2_FOTOS\\AUSTRALIA\\FOTOS AUSTRALIA CAMARA MIGUEL ANGEL\\DSC01461.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-28.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-28-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-28-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-28-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/p>\n<p>Oro con cuarzo. Australian Museum. Foto E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"863\" class=\"wp-image-762\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-29.jpeg\" alt=\"E:\\2_FOTOS\\AUSTRALIA\\FOTOS AUSTRALIA CAMARA MIGUEL ANGEL\\DSC01464.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-29.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-29-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-29-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-australia-fotos-australia-camara-miguel-29-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/p>\n<p>Oro. Australian Museum. Foto E. Vindel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"974\" class=\"wp-image-763\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-fotos-museo-londres-o-12.jpeg\" alt=\"E:\\2_FOTOS\\FOTOS DE GEOLOGIA\\FOTOS MUSEO LONDRES\\ORO1.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-fotos-museo-londres-o-12.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-fotos-museo-londres-o-12-300x225.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-fotos-museo-londres-o-12-1024x768.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-2_fotos-fotos-de-geologia-fotos-museo-londres-o-12-768x576.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/p>\n<p>Oro. Natural History Museum de Londres. Foto E. Vindel.<\/p>\n<p><strong>PLATA <\/strong>(metal nativo)<\/p>\n<p>Formula: Ag<\/p>\n<p>Sistema cristalino: C\u00fabico.<\/p>\n<p>Forma y h\u00e1bito: Se da en cristales mal formados, masas irregulares, placas y en finos alambres.<\/p>\n<p><strong>Propiedades f\u00edsicas: <\/strong><\/p>\n<p>Color: Blanco, con p\u00e1tina casta\u00f1o o gris-negro.<\/p>\n<p>Exfoliaci\u00f3n: Ninguna.<\/p>\n<p>Fractura astillosa.<\/p>\n<p>Raya: Blanca plateada.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>2,5-3<\/p>\n<p>Peso espec\u00edfico: <strong>G <\/strong>10,5 g\/cm<sup>3<\/sup><\/p>\n<p>S\u00e9ctil, maleable y d\u00factil.<\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n: <\/strong>La plata contiene mercurio, cobre y oro. La amalgama es una soluci\u00f3n s\u00f3lida entre plata y mercurio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"863\" class=\"wp-image-764\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-62.jpeg\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\FOTOS DE MINERALES Y ROCAS\\DSC00730.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-62.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-62-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-62-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-62-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/p>\n<p>Finos alambres de plata. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong>COBRE <\/strong>(metal nativo)<\/p>\n<p>F\u00f3rmula: Cu<\/p>\n<p>Sistema cristalino: C\u00fabico.<\/p>\n<p>Forma y h\u00e1bito: Se da en cristales mal formados, en ramas o grupos arborescente.<\/p>\n<p><strong>Propiedades f\u00edsicas:<\/strong><\/p>\n<p>Color: Rojo cobre.<\/p>\n<p>Exfoliaci\u00f3n: Ninguna<\/p>\n<p>Fractura astillosa.<\/p>\n<p>Raya: Roja cobre.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>2,5-3<\/p>\n<p>Peso espec\u00edfico: <strong>G <\/strong>8,9 g\/cm<sup>3<\/sup><\/p>\n<p>S\u00e9ctil, maleable y d\u00factil.<\/p>\n<p>Opaco.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> El cobre nativo contiene reducidas cantidades de plata, mercurio, bismuto, ars\u00e9nico y antimonio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1143\" height=\"759\" class=\"wp-image-765\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-63.jpeg\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\FOTOS DE MINERALES Y ROCAS\\DSC00728.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-63.jpeg 1143w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-63-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-63-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-63-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1143px) 100vw, 1143px\" \/><\/p>\n<p>Cobre nativo en ramas. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"974\" class=\"wp-image-766\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-24.jpeg\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\FOTOS DE GEOLOGIA\\SMITSONIAN 2006\\COBRE2.jpg\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-24.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-24-300x225.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-24-1024x768.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-24-768x576.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/strong><\/p>\n<p>L\u00e1mina de cobre. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"863\" class=\"wp-image-767\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-14.jpeg\" alt=\"G:\\2_FOTOS\\FOTOS DE GEOLOGIA\\SMITHSONIAN 2011\\DSC00723.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-14.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-14-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-14-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-2_fotos-fotos-de-geologia-smithsonian-2011-dsc0-14-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/strong><\/p>\n<p>Cobre nativo. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong>PLATINO <\/strong>(metal nativo)<\/p>\n<p>F\u00f3rmula: Pt<\/p>\n<p>Sistema cristalino: C\u00fabico.<\/p>\n<p>Forma y h\u00e1bito: Se da en cristales c\u00fabicos poco frecuentes y est\u00e1n deformados. Se encuentran en peque\u00f1os granos, masas irregulares y pepitas.<\/p>\n<p><strong>Propiedades f\u00edsicas<\/strong><\/p>\n<p>Color: Gris acero.<\/p>\n<p>Exfoliaci\u00f3n: Ninguna<\/p>\n<p>Fractura astillosa.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>4-4,5<\/p>\n<p>Peso espec\u00edfico: <strong>G <\/strong>21,45 g\/cm<sup>3<\/sup><\/p>\n<p>Maleable y d\u00factil.<\/p>\n<p>Opaco.<\/p>\n<p>Es magn\u00e9tico cuando es rico en hierro.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> El platino contiene en aleaci\u00f3n hierro, iridio, osmio, rodio, cobre, oro y n\u00edquel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"863\" class=\"wp-image-768\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-64.jpeg\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\FOTOS DE MINERALES Y ROCAS\\DSC00732.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-64.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-64-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-64-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-64-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/strong><\/p>\n<p>Pepita de platino. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong>AZUFRE <\/strong> (no metal)<\/p>\n<p>F\u00f3rmula: S<\/p>\n<p>Sistema cristalino: R\u00f3mbico.<\/p>\n<p>Forma y h\u00e1bito: Con h\u00e1bito piramidal, usualmente con dos bipir\u00e1mides. Masas irregulares, masas reniformes, estalact\u00edticas, incrustaciones y terrosas.<\/p>\n<p><strong>Propiedades f\u00edsicas:<\/strong><\/p>\n<p>Color: Amarillo, que var\u00eda con las impurezas a verde, gris o rojo.<\/p>\n<p>Exfoliaci\u00f3n: {001} y {110} indistintamente.<\/p>\n<p>Fractura concoidea hasta irregular.<\/p>\n<p>Raya: Blanca.<\/p>\n<p>Brillo: Resinoso.<\/p>\n<p>Dureza: <strong>H <\/strong>1,5-2,5<\/p>\n<p>Peso espec\u00edfico: <strong>G <\/strong>2,05 g\/cm<sup>3<\/sup><\/p>\n<p><strong>Composici\u00f3n:<\/strong> Puede contener selenio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"974\" class=\"wp-image-769\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-25.jpeg\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\FOTOS DE GEOLOGIA\\SMITSONIAN 2006\\S NATIVO.jpg\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-25.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-25-300x225.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-25-1024x768.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-geologia-1-25-768x576.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><br \/>\nCristales de azufre. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"974\" class=\"wp-image-770\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-mis-imagenes-s-nativo-3-jpg-12.jpeg\" alt=\"G:\\1_DOCUMENTOS\\Mis im\u00e1genes\\S NATIVO 3.jpg\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-mis-imagenes-s-nativo-3-jpg-12.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-mis-imagenes-s-nativo-3-jpg-12-300x225.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-mis-imagenes-s-nativo-3-jpg-12-1024x768.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/g-1_documentos-mis-imagenes-s-nativo-3-jpg-12-768x576.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><\/strong><\/p>\n<p>Azufre. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong>DIAMANTE\u00a0<\/strong>(no metal)<\/p>\n<p>F\u00f3rmula: C<\/p>\n<p>Sistema cristalino: C\u00fabico.<\/p>\n<p>Formas y h\u00e1bito: Los cristales suelen ser octa\u00e9dricos, pero tambi\u00e9n c\u00fabicos o dodeca\u00e9dricos. Se observan las caras curvas.<\/p>\n<p><strong>Propiedades f\u00edsicas<\/strong><\/p>\n<p>Color: Amarillo p\u00e1lido a incoloro. Tambi\u00e9n tonalidades p\u00e1lidas de rojo, verde, azul, marr\u00f3n y otros.<\/p>\n<p>Exfoliaci\u00f3n: Perfecta {111}<\/p>\n<p>Fractura concoidea.<\/p>\n<p>Raya: Blanca.<\/p>\n<p>Brillo: Adamantino.<\/p>\n<p>Dureza: <strong>H <\/strong>10<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 3,52 g\/cm<sup>3<\/sup><\/p>\n<p>Tiene diversos polimorfos, entre ellos el grafito.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Carbono puro.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1299\" height=\"863\" class=\"wp-image-771\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-65.jpeg\" alt=\"C:\\Users\\ELENA VINDEL\\Documents\\FOTOS DE MINERALES Y ROCAS\\DSC00677.JPG\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-65.jpeg 1299w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-65-300x199.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-65-1024x680.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/c-users-elena-vindel-documents-fotos-de-minerales-65-768x510.jpeg 768w\" sizes=\"auto, (max-width: 1299px) 100vw, 1299px\" \/><br \/>\nDiamante marr\u00f3n Thompson. Smithsonian Institution. Foto E. Vindel.<\/p>\n<p><strong>GRAFITO\u00a0<\/strong>(no metal)<\/p>\n<p>F\u00f3rmula: C<\/p>\n<p>Sistema cristalino: Hexagonal.<\/p>\n<p>Formas y h\u00e1bito: cristales tabulares de forma hexagonal. Aparece en masas en hojosas escamosas.<\/p>\n<p><strong>Propiedades f\u00edsicas<\/strong><\/p>\n<p>Color: Negro.<\/p>\n<p>Exfoliaci\u00f3n: Perfecta {0001}<\/p>\n<p>Raya: Negra.<\/p>\n<p>Brillo: Met\u00e1lico.<\/p>\n<p>Dureza: <strong>H <\/strong>1-2<\/p>\n<p>Peso espec\u00edfico: <strong>G<\/strong> 2,23 g\/cm<sup>3 <\/sup><\/p>\n<p>Hojas flexibles.<\/p>\n<p>S\u00e9ctil.<\/p>\n<p>Tiene diversos polimorfos, entre ellos el diamante.<\/p>\n<p><strong>Composici\u00f3n:<\/strong> Carbono.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1100\" height=\"880\" class=\"wp-image-772\" src=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-14.jpeg\" alt=\"E:\\1_DOCUMENTOS\\GEOIMAGENES\\GEOIMAGENES MA\\Figura 3. Grafito.jpg\" srcset=\"http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-14.jpeg 1100w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-14-300x240.jpeg 300w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-14-1024x819.jpeg 1024w, http:\/\/minevindel.com\/wp-content\/uploads\/2026\/01\/e-1_documentos-geoimagenes-geoimagenes-ma-figura-14-768x614.jpeg 768w\" sizes=\"auto, (max-width: 1100px) 100vw, 1100px\" \/><\/p>\n<p>Grafito. Colecci\u00f3n privada de E. Vindel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. ELEMENTOS NATIVOS ORO (metal nativo) F\u00f3rmula: Au Sistema cristalino: C\u00fabico. Forma y h\u00e1bito: Rara vez adoptan formas de cristal, normalmente en forma de placas, l\u00e1minas, pepitas, estructuras arborescentes, reticuladas y dendr\u00edticas. Propiedades f\u00edsicas: Color: Amarillo si es puro, m\u00e1s claro si contiene plata y rojizo con cobre. Exfoliaci\u00f3n: Ninguna Fractura irregular. Raya: Amarilla. Brillo:&hellip; <a class=\"more-link\" href=\"http:\/\/minevindel.com\/index.php\/tema-1\/\">Seguir leyendo <span class=\"screen-reader-text\">Tema 1<\/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-754","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/pages\/754","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=754"}],"version-history":[{"count":3,"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/pages\/754\/revisions"}],"predecessor-version":[{"id":1067,"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/pages\/754\/revisions\/1067"}],"wp:attachment":[{"href":"http:\/\/minevindel.com\/index.php\/wp-json\/wp\/v2\/media?parent=754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}