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Chromium-bearing Clinochlore from
Black Oak Mine [2] (Black Oak deposit; Cassiorina Mine; Cassiorini Mine), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA


Locality type:Mine
Classification
Species:Clinochlore var: Chromium-bearing Clinochlore
Formula:Mg5(Al,Cr)2Si3O10(OH)8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chromium-bearing Clinochlore data
Locality Data:Click here to view Black Oak Mine [2] (Black Oak deposit; Cassiorina Mine; Cassiorini Mine), Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
Data Identifiers
Mindat Occurrence Record ID:649687
Long-form Identifier:1:3:649687:6
GUID (UUID V4):0
Nearest other occurrences of Chromium-bearing Clinochlore
6.7km (4.2 miles) ⓘShelley Mine (Wolf Mine; Shelly Mine; Shelley Wolf Mine), Coloma, Coloma Mining District, West Belt, El Dorado County, California, USA
7.7km (4.8 miles) ⓘKnoff Mine (Austin Mine; Ladue property; Federwitz; Knoff Austin; Bald Mountains), Volcanoville, Volcanoville Mining District, El Dorado County, California, USA
10.5km (6.5 miles) ⓘRuby Consolidated Mine (Green Mine), Volcanoville, Volcanoville Mining District, El Dorado County, California, USA
25.2km (15.7 miles) ⓘPilliken Mine (Pillikin Mine; Pillikan Mine; Pilliken Chrome Mine), Flagstaff Hill, Salmon Falls Mining District (Flagstaff Hill area), El Dorado County, California, USA
25.3km (15.7 miles) ⓘFlagstaff Hill occurrences, Flagstaff Hill, Salmon Falls Mining District (Flagstaff Hill area), El Dorado County, California, USA
26.4km (16.4 miles) ⓘNewcastle, Ophir Mining District (Auburn Mining District; Duncan Hill Mining District), Placer County, California, USA
33.3km (20.7 miles) ⓘUnnamed Cr occurrence [8], Snakehead Point, Placer County, California, USA
36.1km (22.4 miles) ⓘBrandon Mine [4], Brandon Corner, Shingle Springs Mining District, West Belt, El Dorado County, California, USA
38.1km (23.7 miles) ⓘLatrobe, Latrobe Mining District, El Dorado County, California, USA
38.2km (23.7 miles) ⓘSmith Mine, Latrobe, Latrobe Mining District, El Dorado County, California, USA
References
Cater, F.W., Jr., G.A. Rynearson & D.H. Dow (1951), Chromite deposits of El Dorado County, California: California Division Mines Bulletin 134, part III, Chapter 4: 122-162
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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