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
Empire State Mine (B and H Mine), South Pass City, South Pass-Atlantic City Mining District, Fremont County, Wyoming, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Empire State Mine (B and H Mine), South Pass City, South Pass-Atlantic City Mining District, Fremont County, Wyoming, USA
Data Identifiers
Mindat Occurrence Record ID:507290
Long-form Identifier:1:3:507290:3
GUID (UUID V4):0
Nearest other occurrences of Calcite
4.4km (2.8 miles) ⓘSnowbird Mine, Atlantic City, South Pass-Atlantic City Mining District, Fremont County, Wyoming, USA
8.0km (5.0 miles) ⓘAtlantic City Mine, Atlantic City, South Pass-Atlantic City Mining District, Fremont County, Wyoming, USA
58.0km (36.0 miles) ⓘSteamboat Mountain, Leucite Hills Mining District, Sweetwater County, Wyoming, USA
77.7km (48.3 miles) ⓘGolden Goose No. 1 Claim, Crooks Gap Mining District, Fremont County, Wyoming, USA
78.1km (48.5 miles) ⓘContinental Section 16, Crooks Gap Mining District, Fremont County, Wyoming, USA
97.9km (60.8 miles) ⓘPhil No. 6 Prospect, Fremont County, Wyoming, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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