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
Eclipse Mine, Silverton, Silverton 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 Eclipse Mine, Silverton, Silverton Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:144343
Long-form Identifier:1:3:144343:1
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.0km (0.0 miles) ⓘCopper Independent Mine, Silverton, Silverton Mining District, Snohomish County, Washington, USA
1.5km (0.9 miles) ⓘHoodoo Mine, Silverton Mining District, Snohomish County, Washington, USA
2.4km (1.5 miles) ⓘ45 Mine, Williamson Creek, Sultan Mining District, Snohomish County, Washington, USA
2.6km (1.6 miles) ⓘBonanza Queen Mine, Deer Creek, Silverton Mining District, Snohomish County, Washington, USA
4.0km (2.5 miles) ⓘSilver Horseshoe Prospect, Williamson Creek, Sultan Mining District, Snohomish County, Washington, USA
4.6km (2.9 miles) ⓘLittle Chief prospect, Williamson Creek, Sultan Mining District, Snohomish County, Washington, USA
7.6km (4.7 miles) ⓘ48-55 Mine, Vesper Peak, Sultan Mining District, Snohomish County, Washington, USA
7.9km (4.9 miles) ⓘVesper Peak, Sultan Mining District, Snohomish County, Washington, USA
8.8km (5.5 miles) ⓘSunrise Prospect, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
12.2km (7.6 miles) ⓘIowa Mine, North Fork of the Sultan River, 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
 
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