Polybasite : [Ag6Sb2S7][Ag9CuS4]
As recorded:
Eagle Mine, Gilman, Gilman Mining District, Eagle County, Colorado, USA
Photo added to mindat.org
“Cluster of striated and etched crystals of polybasite. Specimen 3.2 cm left to right. Collection and photograph Norman King.”
Norman King - 29th September 2013
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