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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Muscovite from
Crown Jewel Mine, Bautista Canyon, Cahuilla Mining District, Riverside County, California, USA


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz2
Schorl1
Orthoclase1
Fluorapatite1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Crown Jewel Mine, Bautista Canyon, Cahuilla Mining District, Riverside County, California, USA
Data Identifiers
Mindat Occurrence Record ID:480995
Long-form Identifier:1:3:480995:1
GUID (UUID V4):0
Nearest other occurrences of Muscovite
1.6km (1.0 miles) ⓘSly Rick prospect (Green Centipede claim), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
1.6km (1.0 miles) ⓘAndalusite pegmatite (group I; older pegmatites), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
1.6km (1.0 miles) ⓘGranitic pegmatite occurrence (group II; younger pegmatites), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
2.3km (1.5 miles) ⓘAudrey Lynn Mine (Audrey Lynne Mine; Jumping Joe claims), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
3.4km (2.1 miles) ⓘFano Mine (Big Pink claim; Fano-Simmons Mine; Little Blue claim; MS 4800; Simmons Mine), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
4.2km (2.6 miles) ⓘJuan Diego Mine No. 1 (Juan Diego No. 1 deposit; Rainbow Mine; Rainbow prospects), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
6.8km (4.2 miles) ⓘAnita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine), Red Mountain, Cahuilla Mining District, Riverside County, California, USA
7.2km (4.5 miles) ⓘIda V. Mine, Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
7.8km (4.8 miles) ⓘLithia Dike Mine (Lithia Dyke claim), Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
8.1km (5.0 miles) ⓘWilliamson Mine (Coahuila Brave claim; Williamson Silica Mine), Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
References
Bernstein, D. 1996. Personal Communication with Scott L. Ritchie
Mineral Specimen Study (1990 Crown Jewel mine discovery description), Jan.
 
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