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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Pyrrhotite from
El Capitan Quarry, Lakeside, San Diego County, California, USA


Locality type:Quarry
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view El Capitan Quarry, Lakeside, San Diego County, California, USA
Data Identifiers
Mindat Occurrence Record ID:692428
Long-form Identifier:1:3:692428:7
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
10.3km (6.4 miles) ⓘEcho Mine, Lakeside, San Diego County, California, USA
28.7km (17.9 miles) ⓘFriday Mine, Julian, Julian Mining District, San Diego County, California, USA
29.7km (18.4 miles) ⓘOld Ironsides prospect, Mesa Grande, Mesa Grande Mining District, San Diego County, California, USA
31.6km (19.6 miles) ⓘGolden Chariot Mine (Golden Chariot claims; Chariot North claims; Ida Claire; Eureka group), Julian, Julian Mining District, San Diego County, California, USA
31.8km (19.8 miles) ⓘSouth Hubbard, Banner, Banner Mining District, San Diego County, California, USA
42.6km (26.5 miles) ⓘGrapevine Star Mine (Dewey group; Ready Relief), Grapevine Canyon, Ranchita, Volcan Mountains, San Diego County, California, USA
69.3km (43.0 miles) ⓘMadrelena Mine, Tres Pozos, Baja California, Mexico
98.0km (60.9 miles) ⓘJoker and Catherine prospect (San Juan Creek project; Laker and Catherine prospect), San Juan Creek, Dana Point, Dana Point [cape], Orange County, California, USA
References
SDSU Geology Department unpublished field trip guide, circa 1980.
 
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