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
Sunset Mine, Trout Creek, Index Mining District, Snohomish County, Washington, 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 Sunset Mine, Trout Creek, Index Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:144377
Long-form Identifier:1:3:144377:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
2.7km (1.7 miles) ⓘCalumet Mine, Bitter Creek, Index Mining District, Snohomish County, Washington, USA
2.9km (1.8 miles) ⓘEthel Mine, Index Mining District, Snohomish County, Washington, USA
5.4km (3.3 miles) ⓘIndex Bornite Prospect, Index Mining District, Snohomish County, Washington, USA
6.0km (3.7 miles) ⓘUncle Sam Mine, Index Mining District, Snohomish County, Washington, USA
7.9km (4.9 miles) ⓘHelena Prospects, Index Mining District, Snohomish County, Washington, USA
9.6km (6.0 miles) ⓘBuckeye Mine, Index Mining District, Snohomish County, Washington, USA
11.3km (7.0 miles) ⓘCopper Belle Mine, Reiter, Index Mining District, Snohomish County, Washington, USA
11.7km (7.3 miles) ⓘKromona Mine, Sultan Mining District, Snohomish County, Washington, USA
12.0km (7.5 miles) ⓘAnaconda Prospect, Beckler River, Index Mining District, Snohomish County, Washington, USA
12.8km (8.0 miles) ⓘSt. Theresa Prospect, Sultan Mining District, Snohomish County, Washington, USA
References
Derkey, Robert E., Joseph, Nancy L., Lasmanis, Raymond (1990, November) Metal Mines of Washington - Preliminary Report. Open File Report 90-18. Washington Division of Geology and Earth Resources
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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