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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Wollastonite from
Copper World Mine, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Wollastonite
Formula:Ca3(Si3O9)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Wollastonite data
Locality Data:Click here to view Copper World Mine, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:536669
Long-form Identifier:1:3:536669:9
GUID (UUID V4):0
Nearest other occurrences of Wollastonite
0.2km (0.1 miles) ⓘLeader Mine, Leader Hill, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
1.8km (1.1 miles) ⓘHelvetia-Rosemont Mining District, Pima County, Arizona, USA
3.2km (2.0 miles) ⓘSanta Rita Mountains Mine, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
5.0km (3.1 miles) ⓘRosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA
9.2km (5.7 miles) ⓘCuprite Mine, Cuprite Mine group, Beuhman Hill, Mount Fagan, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
14.3km (8.9 miles) ⓘCalifornia Mine, Andrade Ranch, Empire Mining District, Empire Mountains, Pima County, Arizona, USA
26.4km (16.4 miles) ⓘTwin Buttes Mine, Twin Buttes, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
30.8km (19.2 miles) ⓘMission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
31.5km (19.6 miles) ⓘMission Mine (Mission underground mine), Mission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
31.6km (19.6 miles) ⓘMission pit, Mission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
References
MRDS database Dep. ID file #10039406, MRDS ID #M050038.
 
and/or  
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