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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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Schorl from
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


05100040017271926591647.jpg
Schorl, etc.

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
01953330017271980387243.jpg
Schorl

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
05334950017271980404544.jpg
Schorl

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
07711850017271979848272.jpg
Schorl

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
01992440017271926461746.jpg
Schorl, etc.

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
05528500017271979818874.jpg
Schorl

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
05334950017271980404544.jpg
Schorl

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
07711850017271979848272.jpg
Schorl

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
05100040017271926591647.jpg
Schorl, etc.

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
01953330017271980387243.jpg
Schorl

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
05334950017271980404544.jpg
Schorl

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
07711850017271979848272.jpg
Schorl

Fano Mine, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
Locality type:Mine
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Comments:Occurs in lithia-pegmatite.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Muscovite10
Feldspar Group8
Quartz8
- var Smoky Quartz2
Albite5
Beryl3
- var Aquamarine3
Almandine2
Garnet Group1
Microcline1
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view 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
Photo GalleryView Gallery (22 photos)
Data Identifiers
Mindat Occurrence Record ID:65249
Long-form Identifier:1:3:65249:6
GUID (UUID V4):0
Nearest other occurrences of Schorl
1.7km (1.1 miles) ⓘGranitic pegmatite occurrence (group II; younger pegmatites), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
1.8km (1.1 miles) ⓘAndalusite pegmatite (group I; older pegmatites), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
1.8km (1.1 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
2.7km (1.7 miles) ⓘAudrey Lynn Mine (Audrey Lynne Mine; Jumping Joe claims), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
3.0km (1.8 miles) ⓘSly Rick prospect (Green Centipede claim), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
3.4km (2.1 miles) ⓘCrown Jewel Mine, Bautista Canyon, Cahuilla Mining District, Riverside County, California, USA
4.4km (2.7 miles) ⓘLithia Dike Mine (Lithia Dyke claim), Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA
5.1km (3.2 miles) ⓘOlinger deposit, Anza, Anza Valley, Cahuilla Mining District, Riverside County, California, USA
8.6km (5.3 miles) ⓘAnita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine), Red Mountain, Cahuilla Mining District, Riverside County, California, USA
14.7km (9.1 miles) ⓘColumbia Mine (April Fool claim; Belo Horizonte claim; California Gem Mine; Columbia Gem Mine; Desert Rose claim; San Jacinto Gem Mine; Discovery), Thomas Mountain, Thomas Mountain [town], Cahuilla Mining District, Riverside County, California, USA
References
Rocks & Min.:63:441.
Fisher, Jesse (2011) Mines and Minerals of the Southern California Pegmatite Province. Rocks & Minerals, 86 (1) 14-35 doi:10.1080/00357529.2011.537167
 
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