Archivo: Domeykite-197759

Descripción: Domeykite Locality: Sheldon-Columbian Mine, Portage Lake, Point Mills, Houghton County, Michigan, USA (Locality at mindat.org) Size: 7.9 x 6.0 x 3.4 cm. Domeykite is a rare copper arsenide first described in 1845 from Chile. This rich old-time specimen from the Philadelphia Academy features a thick vein of lustrous, brassy-bronzy domeykite microcrystals in a quartz-rich matrix. The Sheldon Mine opened in 1853 and is located in Michigan’s famous Copper Country. One of the two, old Academy labels states that domeykite is a "New Mineral", indicating that this specimen was probably collected in the 1850s. Hefty for its size (rich in copper) at 219 grams or 7.7 ounces.
Título: Domeykite-197759
Créditos: http://www.mindat.org/photo-197759.html
Autor(a): Robert M. Lavinsky
Términos de Uso: Creative Commons Attribution-Share Alike 3.0
Licencia: CC BY-SA 3.0
Enlace de Licencia: https://creativecommons.org/licenses/by-sa/3.0
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