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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Pearceite from
Dunkirk, Georgetown District, Clear Creek County, Colorado, USA


Locality type:Mine
Classification
Species:Pearceite
Formula:[Ag6As2S7][Ag9CuS4]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pearceite data
Locality Data:Click here to view Dunkirk, Georgetown District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:490482
Long-form Identifier:1:3:490482:3
GUID (UUID V4):0
Nearest other occurrences of Pearceite
0.7km (0.4 miles) ⓘIllinois, Georgetown District, Clear Creek County, Colorado, USA
0.9km (0.6 miles) ⓘGabanta, Georgetown District, Clear Creek County, Colorado, USA
9.6km (6.0 miles) ⓘArgentine Pass, Summit County, Colorado, USA
10.0km (6.2 miles) ⓘAmerican Sisters Mine, Lawson Mining District, Clear Creek County, Colorado, USA
10.5km (6.5 miles) ⓘJoe Reynolds (Elida), Lawson Mining District, Clear Creek County, Colorado, USA
10.7km (6.6 miles) ⓘRed Elephant group (Boulder Nest Mine; Free American Mine; St. James Mine; Tabor Mine; White Mine), Lawson Mining District, Clear Creek County, Colorado, USA
15.2km (9.4 miles) ⓘLittle Champion (Megalona), Donaldson Group, Lawson Mining District, Clear Creek County, Colorado, USA
15.2km (9.5 miles) ⓘAlmaden Mine, Fall River, Clear Creek County, Colorado, USA
15.4km (9.6 miles) ⓘPhoenix Shaft, Lawson Mining District, Clear Creek County, Colorado, USA
15.7km (9.7 miles) ⓘIda May occurrence (Seven Forty; Barney; Polar Star; Alamaden; Standard; Lida; ; Fall River; Thomas; Golconda), Central City Mining District, Clear Creek County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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