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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Diopside from
Republic Mine, Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA


Locality type:Mine
Classification
Species:Diopside
Formula:CaMgSi2O6
Comments:Abundant contact metamorphic silicate mineral in limestone.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Diopside data
Locality Data:Click here to view Republic Mine, Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:248776
Long-form Identifier:1:3:248776:2
GUID (UUID V4):0
Nearest other occurrences of Diopside
0.4km (0.3 miles) ⓘJohnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
0.6km (0.3 miles) ⓘJohnson Mine (Johnson Camp Mine), Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
1.0km (0.6 miles) ⓘKeystone Mine (Hagerman Mine; Hagerman shaft; Bannon group), Dragoon, Cochise Mining District, Cochise County, Arizona, USA
1.1km (0.7 miles) ⓘMoore Mine, Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
1.6km (1.0 miles) ⓘMammoth Mine, Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
1.7km (1.0 miles) ⓘBlack Prince Mine (Black Prince adit; Black Prince workings; Copper Queen Mine; Blue Bell group; Copper Bell Mine), Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
3.8km (2.4 miles) ⓘLegal Tender prospect, Cochise Mining District, Cochise County, Arizona, USA
5.6km (3.5 miles) ⓘCenturion Mine, Centurion, Cochise Mining District, Cochise County, Arizona, USA
9.3km (5.8 miles) ⓘJordan Canyon prospects, Jordan Canyon, Dragoon, Cochise Mining District, Cochise County, Arizona, USA
12.6km (7.8 miles) ⓘBurrito de Fierro Mine, Cochise Mining District, Cochise County, Arizona, USA
References
Cooper, J.R. & L.C. Huff (1951), Geological investigations and geochemical prospecting experiment at Johnson, AZ, Econ.Geol.: 46: 731-756
Baker, A., III (1960), Chalcopyrite blebs in sphalerite at Johnson Camp, AZ, Econ.Geol.: 55: 387-398.
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.204
 
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