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


Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Chlorite Group
Fluorellestadite
Grossular
Scapolite
Spurrite
Thaumasite
Data
Mineral Data:Click here to view Calcite 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:688064
Long-form Identifier:1:3:688064:4
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.8km (0.5 miles) ⓘCommercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
0.9km (0.6 miles) ⓘ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
6.7km (4.2 miles) ⓘSlover Mountain Quarry (California Portland Cement Company Quarry; Colton Marble), West Colton, San Bernardino County, California, USA
9.4km (5.8 miles) ⓘGlen Avon Quarry (Glen Avon Limestone deposit; Mathews), Glen Avon, Riverside County, California, USA
32.4km (20.1 miles) ⓘBig Horn Mine [2] (Bighorn Mine; Lapis Lazuli deposit), Stoddard Peak, San Bernardino County, California, USA
33.7km (21.0 miles) ⓘCascade Canyon, San Bernardino County, California, USA
35.1km (21.8 miles) ⓘBlue Light Mine (Harvey; Silverado; Dunlap Light Blue Mine), Silverado, Orange 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.367
 
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