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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Pyrite from
Isle Royal Mine, Isle Royal Mine group, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Isle Royal Mine, Isle Royal Mine group, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:992145
Long-form Identifier:1:3:992145:0
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.2km (0.1 miles) ⓘLeader Mine, Leader Hill, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
0.3km (0.2 miles) ⓘOmega Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
0.3km (0.2 miles) ⓘCopper World Mine, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
0.4km (0.2 miles) ⓘOmega Extension Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
0.6km (0.4 miles) ⓘEclipse Mine group, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.0km (0.6 miles) ⓘSilver Spur Mine, Frijole claim group, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.0km (0.6 miles) ⓘExile King Mine, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.1km (0.7 miles) ⓘOld Dick Mine, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.2km (0.7 miles) ⓘBroad Top Mine, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.4km (0.9 miles) ⓘMohawk Mine, Helvetia Wash, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
References
Schrader, F.C. and J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582: 110.
 
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