Kuramite

It is named after the Kochbulak Au-Ag-Te deposit locality in the Chatkal-Kuraminskii Mountains in Uzbekistan, where it was first discovered.

[1] Kuramite occurs in gold-sulfide-quartz veins as inclusions in goldfieldite, as observed in the Kochbulak deposit in Uzbekistan.

[4] Kuramite has also been found in the Arctic Ocean, Argentina, Chile, DR Congo, Greece, Hungary, Japan, United Kingdom, and USA.

The chemical formula of Kuramite is Cu3SnS4 with common impurities being iron, zinc and indium (Fe, Zn, and In).

[4][3] X-ray study of Kuramite was done using the powder method, in the mineralogical laboratory of IGEM, Academy of Sciences of the USSR, by G. V. Vasova (RKO-57.3, unfiltered FeK).