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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Cuprite from
Curtis Mine, Frijole claim group, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Cuprite
Formula:Cu2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cuprite data
Locality Data:Click here to view Curtis Mine, Frijole claim group, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:265358
Long-form Identifier:1:3:265358:7
GUID (UUID V4):0
Nearest other occurrences of Cuprite
1.4km (0.9 miles) ⓘOmega Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.6km (1.0 miles) ⓘOld Dick Mine, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.8km (1.1 miles) ⓘOregon Copper Mine, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.8km (1.1 miles) ⓘOld Pap Mine, Old Pap-Old Put Mines, Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.8km (1.1 miles) ⓘEast Helvetia deposit (Helvetia East Mine; Helvetia Mine; Rosemont deposit), Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.9km (1.2 miles) ⓘExile King Mine, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.9km (1.2 miles) ⓘChicago Mine, Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.9km (1.2 miles) ⓘCoconino Mine, Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
2.0km (1.3 miles) ⓘPickwick Mine, Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
2.2km (1.4 miles) ⓘSweet Bye & Bye Mine, Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
References
Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 119
 
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