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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Calcite from
Eight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA


Locality type:Park
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Eight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:35059
Long-form Identifier:1:3:35059:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
3.7km (2.3 miles) ⓘLorain Pegmatite, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
8.5km (5.3 miles) ⓘAmethyst carbonatite, McClure Mountain Complex, Fremont County, Colorado, USA
11.1km (6.9 miles) ⓘGrape Creek Area (Wagner-Grape Creek Lode; See: Hellgate Claims; Bear Claims Old Conac Property), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
11.3km (7.0 miles) ⓘJoker Mine (Rocky Mountain Boy Claims Patented Claims), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
12.7km (7.9 miles) ⓘUnnamed Copper Pegmatite Occurrence (MRDS - 10013424), McIntyre Hills Area, Fremont County, Colorado, USA
12.8km (8.0 miles) ⓘLeeks Lode, Copper Gulch Area, Fremont County, Colorado, USA
13.7km (8.5 miles) ⓘGarden Park, Fremont County, Colorado, USA
14.7km (9.1 miles) ⓘPinon Peak breccia pipe, Fremont County, Colorado, USA
16.0km (9.9 miles) ⓘGlen Williams Mine (Williams Mine), Tallahassee Creek Mining District, Fremont County, Colorado, USA
17.1km (10.6 miles) ⓘPicnic Tree Mine (Picnic Tree Claims; Picnic Tree-Hall; Hall Homestead), Tallahassee Creek Mining District, Fremont 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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