Cuprite
Mackay Mining District, Custer County, Idaho, USA
Cuprite, var. chalcotrichite, on a specimen I obtained at the 2013 CMMA Symposium in Ste. Catharines, Ontario. FOV is about 2 mm in length. The label says "McKay, Idaho". Photo and specimen: Steve Stuart.
Modified by CombineZP.
© SMS 2013