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1159.jpg
TitleColusite, Cu3(As,Sn,V,Fe,Te)S4
DescriptionColusite, Cu3(As,Sn,V,Fe,Te)S4, is the dark colored mineral; quartz is the white mineral. Colusite is typcially brownish to bronze-colored. It is a sulfide of copper and arsenic with vanadium, iron, and tellurium substituting for some of the arsenic. Here it is in visible crystals, but a massive form is more typical. It is found with other sulfides in hydrothermal copper ore veins. This specimen is 2.8 cm across.
LocationUSA ▹ Montana. Near Butte. Tramway Mine.
PhotographerNessa Eull. 2001-07-11.
CollectionUniversity of North Dakota Mineralogy Collection #128.
Key wordscolusite, Montana
Tech details324 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1159