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
Wet Weather Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA


Locality type:Quarry
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Comments:Fairly common in this quarry disseminated through limestone. Also occurs above station 29 as lenticular masses 1 cm or more diameter in monticellite-vesuvianite rock.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Monticellite
Vesuvianite
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Wet Weather Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
Data Identifiers
Mindat Occurrence Record ID:685183
Long-form Identifier:1:3:685183:5
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
0.8km (0.5 miles) ⓘCommercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
2.6km (1.6 miles) ⓘOld City Quarry (City Quarry; North Hill Quarry; Quarry Hill; Fairmount), Riverside, Riverside County, California, USA
4.5km (2.8 miles) ⓘHenshaw Quarry, Bloomington, San Bernardino County, California, USA
4.6km (2.8 miles) ⓘJensen Quarry, Jurupa Mountains, Jurupa Valley, Riverside County, California, USA
39.4km (24.5 miles) ⓘLong Canyon, Sugarloaf (Mount Downey), Coto de Caza, Orange County, California, USA
48.2km (29.9 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
50.6km (31.5 miles) ⓘWhite Knob Quarry, Lucerne Valley, Lucerne Valley Limestone District, San Bernardino County, California, USA
99.1km (61.6 miles) ⓘPacoima Canyon, Los Angeles County, California, USA
References
Woodford, A.O., Crippen, R.A., Garner, K.B. (1941) Section Across Commercial Quarry, Crestmore, California. American Mineralogist: 26: 351-381.p.366
Kelley, Vincent C. (1937) Notes on mineralization at Crestmore, California. American Mineralogist, 22 (2) 140-141
Woodford, A.O. (1943), Crestmore minerals: California Division Mines Report 39: 359.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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