Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Proustite from
Knob Hill Mine, Republic Mining District, Ferry County, Washington, USA


Locality type:Mine
Classification
Species:Proustite
Formula:Ag3AsS3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Proustite data
Locality Data:Click here to view Knob Hill Mine, Republic Mining District, Ferry County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:102720
Long-form Identifier:1:3:102720:4
GUID (UUID V4):0
Nearest other occurrences of Proustite
4.1km (2.6 miles) ⓘRepublic Mine, Republic Mining District, Ferry County, Washington, USA
49.2km (30.6 miles) ⓘProvidence Mine, Greenwood Mining Division, British Columbia, Canada
50.7km (31.5 miles) ⓘImperial Mine, Rock Creek, Kettle River, Greenwood Mining Division, British Columbia, Canada
66.8km (41.5 miles) ⓘHorn Silver Mine, Nighthawk Mining District, Okanogan County, Washington, USA
74.5km (46.3 miles) ⓘRuby Mine, Nighthawk Mining District, Okanogan County, Washington, USA
82.4km (51.2 miles) ⓘMayflower Mine, Rossland, Trail Creek Mining Division, British Columbia, Canada
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.35
 
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