Title | Domeykite from Houghton, Michigan |
Description | The light colored mineral is quartz, the darker one is domeykite. Domeykite, Cu3As (copper arsenide), is a semi-metal alloy of copper and arsenic. It is found at several copper mines in Chile and in Michigan's Upper Penninsula (this sample) and is named for a nineteenth century Chilean mineralogist named Ignacio Domeyko. Domeykite is a minor copper ore mineral and is sometimes cut and polished to produce an unusual colored metallic gemstone. |
Location | USA ▹ Michigan. Near Houghton. |
Photographer | Darla Sondrol. 2001-07-10. |
Collection | University of North Dakota Mineralogy Collection #162. |
Key words | domeykite, Michigan |
Tech details | 404 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
GeoDIL number | 1113 |
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