{"id":3048,"date":"2022-06-04T19:36:52","date_gmt":"2022-06-04T19:36:52","guid":{"rendered":"https:\/\/isabellaseijo.com\/?p=3048"},"modified":"2022-06-04T19:36:52","modified_gmt":"2022-06-04T19:36:52","slug":"news-trapiche-rodocrosita-algo-nunca-visto","status":"publish","type":"post","link":"https:\/\/isabellaseijo.com\/index.php\/2022\/06\/04\/news-trapiche-rodocrosita-algo-nunca-visto\/","title":{"rendered":"#News: Trapiche rodocrosita, algo nunca visto."},"content":{"rendered":"\n

\"\u25ab\ufe0f\"No es frecuente que una localidad muy antigua produzca un material de gema previamente no registrado en la literatura. Sin embargo, la mina Capillitas en la provincia argentina de Catamarca, una vez extra\u00edda por los incas y conocida desde hace tiempo por sus finas estalactitas de rodocrosita, ha producido dos piedras preciosas de rodocrosita similares a trapiche, observadas por primera vez por el autor en agosto de 2014.<\/p>\n\n\n\n

\"\u25ab\ufe0f\"Seg\u00fan los informes, la estalactita que produjo estas dos rebanadas se encontr\u00f3 en la d\u00e9cada de 1980. El m\u00e1s peque\u00f1o de los dos espec\u00edmenes, una ronda de 30 mm con un peso de 35 ct (figura 1, izquierda), es un ejemplo sim\u00e9trico del h\u00e1bito de la rueda dentada de esta rodocrosita. El \u00f3valo de 40 mm, que pesa 56 ct (figura 1, derecha), se cort\u00f3 de la misma estalactita; Es el \u00fanico otro ejemplo de esta formaci\u00f3n que el autor pudo localizar.<\/p>\n\n\n\n

\"\u25ab\ufe0f\"La rodocrosita de la mina Capillitas generalmente consta de granos cristalinos diminutos. Sin embargo, estos dos ejemplos son muy cristalinos y posiblemente gemelos, lo que explicar\u00eda tanto el tama\u00f1o inusualmente grande de estos cristales como su obvia simetr\u00eda.<\/p>\n\n\n\n

\"\u25ab\ufe0f\"El Dr. Carl Francis, ex curador del Museo Mineral\u00f3gico de la Universidad de Harvard, se\u00f1ala que las estalactitas de calcita, que son qu\u00edmica y estructuralmente similares a la rodocrosita, rara vez exhiben este tipo de crecimiento (comunicaci\u00f3n personal, 2014).<\/p>\n\n\n\n

\"\u25ab\ufe0f\"El patr\u00f3n floral de estas piedras preciosas rojas las hace hermosas e incre\u00edblemente raras.<\/p>\n\n\n\n

.<\/p>\n\n\n\n

.<\/p>\n\n\n\n

#News<\/a>: Trapiche Rhodochrosite, something never seen.<\/p>\n\n\n\n

\"\u25ab\ufe0f\"It is not often that a very old locality produces a gem material previously unrecorded in the literature. Yet the Capillitas mine in Argentina\u2019s Catamarca Province, once mined by the Incas and long known for its fine rhodochrosite stalactites, has yielded two trapiche-like rhodochrosite gemstones, first observed by the author in August 2014.<\/p>\n\n\n\n

\"\u25ab\ufe0f\"The stalactite that produced these two slices was reportedly found in the 1980s. The smaller of the two specimens, a 30 mm round weighing 35 ct (figure 1, left), is a symmetrical example of this rhodochrosite\u2019s cogwheel habit. The 40 mm oval, which weighs 56 ct (figure 1, right), was cut from the same stalactite; it is the only other example of this formation the author could locate.<\/p>\n\n\n\n

\"\u25ab\ufe0f\"Rhodochrosite from the Capillitas mine typically consists of minute crystalline grains. These two examples, however, are very coarsely crystalline and are quite possibly twinned, which would explain both the unusually large size of these crystals and their obvious symmetry.<\/p>\n\n\n\n

\"\u25ab\ufe0f\"Dr. Carl Francis, former curator of the Mineralogical Museum of Harvard University, points out that stalactites of calcite, which are chemically and structurally similar to rhodochrosite, rarely exhibit this type of growth (pers. comm., 2014).<\/p>\n\n\n\n

\"\u25ab\ufe0f\"The floral pattern of these red gemstones makes them beautiful and incredibly rare.<\/p>\n","protected":false},"excerpt":{"rendered":"

No es frecuente que una localidad muy antigua produzca un material de gema previamente no registrado en la literatura. Sin embargo, la mina Capillitas en la provincia argentina de Catamarca, una vez extra\u00edda por los incas y conocida desde hace tiempo por sus finas estalactitas de rodocrosita, ha producido dos piedras preciosas de rodocrosita similares […]<\/p>\n","protected":false},"author":1,"featured_media":3049,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"chat","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-3048","post","type-post","status-publish","format-chat","has-post-thumbnail","hentry","category-blog","post_format-post-format-chat"],"yoast_head":"\n#News: Trapiche rodocrosita, algo nunca visto. -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/isabellaseijo.com\/index.php\/2022\/06\/04\/news-trapiche-rodocrosita-algo-nunca-visto\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"#News: Trapiche rodocrosita, algo nunca visto. -\" \/>\n<meta property=\"og:description\" content=\"No es frecuente que una localidad muy antigua produzca un material de gema previamente no registrado en la literatura. 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