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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Dolomite from
Josephine Mine, Metaline Mining District, Pend Oreille County, Washington, USA


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Habit:up to .5 inch
Colour:white to grey
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Josephine Mine, Metaline Mining District, Pend Oreille County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:96093
Long-form Identifier:1:3:96093:3
GUID (UUID V4):0
Nearest other occurrences of Dolomite
0.4km (0.2 miles) ⓘSullivan Mine, Metaline Mining District, Pend Oreille County, Washington, USA
0.7km (0.4 miles) ⓘYellowhead Mine, Metaline Mining District, Pend Oreille County, Washington, USA
1.3km (0.8 miles) ⓘWashington Mine, Metaline Mining District, Pend Oreille County, Washington, USA
1.6km (1.0 miles) ⓘGrandview Mine, Metaline Mining District, Pend Oreille County, Washington, USA
1.8km (1.1 miles) ⓘPend Oreille Mine, Metaline Mining District, Pend Oreille County, Washington, USA
3.3km (2.0 miles) ⓘOriole Mine, Metaline Mining District, Pend Oreille County, Washington, USA
4.1km (2.5 miles) ⓘBella May Mine, Metaline Mining District, Pend Oreille County, Washington, USA
4.3km (2.7 miles) ⓘDiamond R Mine, Metaline Mining District, Pend Oreille County, Washington, USA
6.6km (4.1 miles) ⓘLucky Strike Mine, Metaline Mining District, Pend Oreille County, Washington, USA
8.0km (4.9 miles) ⓘHoage Mine, Metaline Mining District, Pend Oreille County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.83
Paradis, S.; Petts, D.; Simandl, G.J.; Sharpe, R.; Hamilton, T.S.; Fayek, M.; Jackson, S.E. (2023) Impact of deformation and metamorphism on sphalerite chemistry – Element mapping of sphalerite in carbonate-hosted Zn-Pb sulfide deposits of the Kootenay Arc, southern British Columbia, Canada and northeastern Washington, USA. Ore Geology Reviews, 158. doi:10.1016/j.oregeorev.2023.105482
 
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