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
Kromona Mine, Sultan 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 Kromona Mine, Sultan Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:142014
Long-form Identifier:1:3:142014:2
GUID (UUID V4):0
Nearest other occurrences of Calcite
2.1km (1.3 miles) ⓘSt. Theresa Prospect, Sultan Mining District, Snohomish County, Washington, USA
7.7km (4.8 miles) ⓘCopper Belle Mine, Reiter, Index Mining District, Snohomish County, Washington, USA
8.8km (5.5 miles) ⓘEthel Mine, Index Mining District, Snohomish County, Washington, USA
9.7km (6.0 miles) ⓘFlorence Rae Mine, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
9.9km (6.2 miles) ⓘIowa Mine, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
10.6km (6.6 miles) ⓘHelena Prospects, Index Mining District, Snohomish County, Washington, USA
11.7km (7.3 miles) ⓘSunset Mine, Trout Creek, Index Mining District, Snohomish County, Washington, USA
12.2km (7.6 miles) ⓘVesper Peak, Sultan Mining District, Snohomish County, Washington, USA
12.3km (7.6 miles) ⓘSunrise Prospect, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
12.4km (7.7 miles) ⓘIndex Bornite Prospect, Index 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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