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
Cotopaxi Mine (Cotopaxi lode; Gumaer Mine; Fannie lode; Fannie Mill), Mine Gulch, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA


Locality type:Mine
Classification
Species:Native Silver
Formula:Ag
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Silver data
Locality Data:Click here to view Cotopaxi Mine (Cotopaxi lode; Gumaer Mine; Fannie lode; Fannie Mill), Mine Gulch, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:355188
Long-form Identifier:1:3:355188:2
GUID (UUID V4):0
Nearest other occurrences of Native Silver
0.3km (0.2 miles) ⓘCotopaxi Mining District, Fremont County, Colorado, USA
5.1km (3.2 miles) ⓘSand Gulch Prospect No. 2, Cotopaxi Mining District, Fremont County, Colorado, USA
12.5km (7.8 miles) ⓘColorado Copper Company Mine, Red Gulch Mining District, Fremont County, Colorado, USA
12.6km (7.8 miles) ⓘCopper Prince Mine, Red Gulch Mining District, Fremont County, Colorado, USA
13.1km (8.1 miles) ⓘIndian Springs Gulch Prospect, Red Gulch Mining District, Fremont County, Colorado, USA
15.1km (9.4 miles) ⓘRed Gulch Mine, Red Gulch Mining District, Fremont County, Colorado, USA
16.3km (10.1 miles) ⓘCloverdale Mine (Cloverdale Tunnel), Rainbow Lake Mining District, Lake Creek Mining District, Custer County, Colorado, USA
16.7km (10.4 miles) ⓘAcme Property, Red Gulch Mining District, Fremont County, Colorado, USA
16.7km (10.4 miles) ⓘQueen Princess Property, Red Gulch Mining District, Fremont County, Colorado, USA
17.7km (11.0 miles) ⓘGem Mine, Gem Park complex, Fremont County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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