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
Overlook Mine, Belcher Mining District, Ferry 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 Overlook Mine, Belcher Mining District, Ferry County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:834293
Long-form Identifier:1:3:834293:5
GUID (UUID V4):0
Nearest other occurrences of Calcite
6.7km (4.1 miles) ⓘLamefoot Mine, Belcher Mining District, Ferry County, Washington, USA
9.5km (5.9 miles) ⓘValley, Republic Mining District, Ferry County, Washington, USA
13.6km (8.5 miles) ⓘLast Chance Mine, Republic Mining District, Ferry County, Washington, USA
13.8km (8.6 miles) ⓘLone Pine Mine, Republic Mining District, Ferry County, Washington, USA
14.1km (8.7 miles) ⓘLittle Cove Mine, Republic Mining District, Ferry County, Washington, USA
14.2km (8.8 miles) ⓘKnob Hill Mine, Republic Mining District, Ferry County, Washington, USA
14.2km (8.8 miles) ⓘSan Poil Mine, Republic Mining District, Ferry County, Washington, USA
14.3km (8.9 miles) ⓘBen Hur Mine, Republic Mining District, Ferry County, Washington, USA
14.4km (8.9 miles) ⓘChico Prospect, Republic Mining District, Ferry County, Washington, USA
14.7km (9.1 miles) ⓘRepublic Mine, Republic Mining District, Ferry County, Washington, USA
References
Rasmussen, M. G., Evans, B. W., Kuehner, S. M. (1998). Low-temperature fayalite, greenalite, and minnesotaite from the Overlook gold deposit, Washington: phase relations in the system FeO-SiO2-H2O. The Canadian Mineralogist, 36 (1), 147-162.
 
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