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
Joker and Catherine prospect (San Juan Creek project; Laker and Catherine prospect), San Juan Creek, Dana Point, Dana Point [cape], Orange County, California, USA


Locality type:Prospect
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 Joker and Catherine prospect (San Juan Creek project; Laker and Catherine prospect), San Juan Creek, Dana Point, Dana Point [cape], Orange County, California, USA
Data Identifiers
Mindat Occurrence Record ID:677131
Long-form Identifier:1:3:677131:7
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
8.9km (5.5 miles) ⓘLong Canyon, Sugarloaf (Mount Downey), Coto de Caza, Orange County, California, USA
45.8km (28.5 miles) ⓘOld City Quarry (City Quarry; North Hill Quarry; Quarry Hill; Fairmount), Riverside, Riverside County, California, USA
48.2km (29.9 miles) ⓘWet Weather Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
48.6km (30.2 miles) ⓘJensen Quarry, Jurupa Mountains, Jurupa Valley, Riverside County, California, USA
48.9km (30.4 miles) ⓘCommercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
51.3km (31.9 miles) ⓘHenshaw Quarry, Bloomington, San Bernardino County, California, USA
77.2km (48.0 miles) ⓘOld Ironsides prospect, Mesa Grande, Mesa Grande Mining District, San Diego County, California, USA
95.5km (59.3 miles) ⓘWhite Knob Quarry, Lucerne Valley, Lucerne Valley Limestone District, San Bernardino County, California, USA
96.3km (59.9 miles) ⓘEcho Mine, Lakeside, San Diego County, California, USA
98.0km (60.9 miles) ⓘEl Capitan Quarry, Lakeside, San Diego County, California, USA
References
Larsen, Esper Signius, Donald L. Everhart & Richard H. Merriam (1951), Crystalline rocks of southwestern California: California Division Mines Bulletin 159, 136 pp.: 48
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 311, 343.
 
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