Mineralpedia Details for Getchellite
Named for the type locality at the Getchell mine in Humboldt County in Nevada, USA. Getchellite forms at its type locality “in an epthermal gold deposit formed in a narrow, steeply-dipping fault zone cutting interbedded, [presumably] Paleozoic shales, argillites, and limestones near a granodiorite intrusive.” Localities include in Iran, Russia, Kyrgyzstan, Japan, and newer localities in Pakistan, France, China, and Azerbaijan.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/getchellite.pdf
Getchellite from Khaidarkan, Kyrgyzstan
Red, micaceous, cleavages to 7mm in Calcite matrix.
Getchellite from Getchell mine, Humboldt Co., Nevada, United States
Red platy foliations of Getchellite to 3mm associated with orange-yellow Orpiment.