Robuta

https://www.usgs.gov/publications/galkhaite-hgcutlzn-assbs2-getchell-mine-humboldt-county-nevada
The first reported occurrence in the United States of galkhaite (Hg,Cu,Tl,Zn)(As,Sb)S2 is at the Getchell mine, Humboldt County, Nev. The mineral occurs as...
galkhaitehgcutlzn