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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Native Silver from
Gem Mine, Gem Park complex, Fremont County, Colorado, USA


Locality type:Mine
Classification
Species:Native Silver
Formula:Ag
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Native Silver data
Locality Data:Click here to view Gem Mine, Gem Park complex, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:35229
Long-form Identifier:1:3:35229:5
GUID (UUID V4):0
Nearest other occurrences of Native Silver
14.6km (9.1 miles) ⓘLittle Giant Claims, Copper Gulch Area, Deweese Plateau, Fremont County, Colorado, USA
14.7km (9.1 miles) ⓘUnidentified Occurrence (MRDS - 10013034), Silver Cliff Mining District, Custer County, Colorado, USA
14.8km (9.2 miles) ⓘUnidentified Occurrence (MRDS - 10094532), Silver Cliff Mining District, Custer County, Colorado, USA
14.8km (9.2 miles) ⓘWar Dance Mine (War Dance Claims), Copper Gulch Area, Deweese Plateau, Fremont County, Colorado, USA
15.8km (9.8 miles) ⓘGreen Mountain Deposit, Silver Cliff Mining District, Custer County, Colorado, USA
16.2km (10.1 miles) ⓘArkansas River Placers Mining District, Fremont County, Colorado, USA
16.5km (10.2 miles) ⓘCloverdale Mine (Cloverdale Tunnel), Rainbow Lake Mining District, Lake Creek Mining District, Custer County, Colorado, USA
17.0km (10.5 miles) ⓘGreen Mountain Mine (Copper Boy Mine), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
17.5km (10.9 miles) ⓘCopper Girl (Copper Girl 1906; Patented Claims: Valley View), Copper Gulch Area, Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
17.6km (10.9 miles) ⓘCotopaxi Mining District, Fremont County, Colorado, USA
References
USGS Prof Paper 649
Armbrustmacher, T. J. (1988) Geology and resources of thorium and associated elements in the Wet Mountains area, Fremont and Custer counties, Colorado. USGS Professional Paper: 1049-F
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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