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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Grossular from
Henshaw Quarry, Bloomington, San Bernardino County, California, USA


Locality type:Quarry
Classification
Species:Grossular
Formula:Ca3Al2(SiO4)3
Comments:Crystals to 4 cm in the contact zones.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Apatite
Diopside
Scapolite
Data
Mineral Data:Click here to view Grossular data
Locality Data:Click here to view Henshaw Quarry, Bloomington, San Bernardino County, California, USA
Data Identifiers
Mindat Occurrence Record ID:686239
Long-form Identifier:1:3:686239:8
GUID (UUID V4):0
Nearest other occurrences of Grossular
3.2km (2.0 miles) ⓘJensen Quarry, Jurupa Mountains, Jurupa Valley, Riverside County, California, USA
3.5km (2.2 miles) ⓘCrestmore, Jurupa Valley, Riverside County, California, USA
3.8km (2.4 miles) ⓘCommercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
4.5km (2.8 miles) ⓘWet Weather Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
12.5km (7.8 miles) ⓘBox Springs Mountains, Riverside County, California, USA
49.7km (30.9 miles) ⓘWhite Knob Quarry, Lucerne Valley, Lucerne Valley Limestone District, San Bernardino County, California, USA
51.1km (31.8 miles) ⓘDesert View Mine, Fawnskin (Grout), Bear Valley District, San Bernardino County, California, USA
51.9km (32.3 miles) ⓘUnnamed Corundum occurrences [2], Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring), San Jacinto Mountains, Riverside County, California, USA
74.4km (46.2 miles) ⓘGranitic pegmatite occurrence (group II; younger pegmatites), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
79.6km (49.5 miles) ⓘTourmaline King Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
References
Cooney, R.L. (1956), The mineralogy of the Jensen and Henshaw quarries near Riverside, California: Unpublished Master’s thesis, University of California at Los Angeles: 15, 21, 24, 41
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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