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
Mastodon Mine, Slate Creek Mining District, Shoshone County, Idaho, 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 Mastodon Mine, Slate Creek Mining District, Shoshone County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:443137
Long-form Identifier:1:3:443137:4
GUID (UUID V4):0
Nearest other occurrences of Calcite
10.2km (6.4 miles) ⓘCougar group, Black Prince Mining District, Shoshone County, Idaho, USA
10.5km (6.5 miles) ⓘCougar prospect, Black Prince Mining District, Shoshone County, Idaho, USA
10.6km (6.6 miles) ⓘCopper Prince Mine, Black Prince Mining District, Shoshone County, Idaho, USA
15.1km (9.4 miles) ⓘSpringfield prospect, Sliderock Mining District, Shoshone County, Idaho, USA
16.7km (10.4 miles) ⓘChampion prospect, St. Joe Mining District, Shoshone County, Idaho, USA
17.4km (10.8 miles) ⓘPearson Mine, St. Joe Mining District, Shoshone County, Idaho, USA
17.4km (10.8 miles) ⓘAlice Consolidated Mine, Hunter Mining District, Shoshone County, Idaho, USA
17.6km (10.9 miles) ⓘWestern Union Mine-Lower, Evolution Mining District, Shoshone County, Idaho, USA
18.3km (11.4 miles) ⓘMorning No. 6 adit, Hunter Mining District, Shoshone County, Idaho, USA
18.9km (11.7 miles) ⓘCalifornia Mine, Placer Center Mining District, Shoshone County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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