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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Sphalerite from
Estelle Mine (Troeger's tunnel), Cerro Gordo, Cerro Gordo Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Estelle Mine (Troeger's tunnel), Cerro Gordo, Cerro Gordo Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:656405
Long-form Identifier:1:3:656405:6
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
1.5km (0.9 miles) ⓘVentura Mine (Silver Reef claim; Sunset), Cerro Gordo Peak Area, Inyo Mts (Inyo Range), Inyo County, California, USA
2.6km (1.6 miles) ⓘCerro Gordo Mine, Cerro Gordo, Cerro Gordo Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA
2.9km (1.8 miles) ⓘUnion Mine, Cerro Gordo Mine, Cerro Gordo, Cerro Gordo Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA
3.0km (1.8 miles) ⓘBelmont Mine, Cerro Gordo Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA
4.2km (2.6 miles) ⓘSan Lucas Mine (Perseverance Mine), Cerro Gordo Peak, Cerro Gordo Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA
10.1km (6.3 miles) ⓘAmerican prospect, Cerro Gordo Peak Area, Inyo Mts (Inyo Range), Inyo County, California, USA
14.3km (8.9 miles) ⓘSanta Rosa Mine (Lee-Santa Rosa Mine; Santa Rosa Mines), Malpais Mesa, Inyo Mts (Inyo Range), Inyo County, California, USA
14.5km (9.0 miles) ⓘAmerican Flag Mine (Big Silver Mine ?), New York Butte (New York Peak), Inyo Mts (Inyo Range), Inyo County, California, USA
18.4km (11.4 miles) ⓘGold Standard Mine (Vega Mine), Beveridge, Beveridge Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA
19.0km (11.8 miles) ⓘLong John Mine (Delthe Black Warrior Mine), Haystack Mountain (Haystack; Boulder Mountain; Kern Knob), Inyo Mts (Inyo Range), Inyo County, California, USA
References
WARING, C. A., 1915 , INYO COUNTY
15TH REPT. STATE MINERALOGIST
CALIF. MIN. BUR., P. 104
USGS Bull 540
 
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