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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Serpentine Subgroup from
Big Boy Mine (Big Boy group; Big Boy Cinnabar group), Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA


Locality type:Mine
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Cinnabar
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Big Boy Mine (Big Boy group; Big Boy Cinnabar group), Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Data Identifiers
Mindat Occurrence Record ID:649255
Long-form Identifier:1:3:649255:7
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
3.7km (2.3 miles) ⓘCleopatra Mine (Dedrick Mine), Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
7.4km (4.6 miles) ⓘWebb Mine, High Dome, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA
7.4km (4.6 miles) ⓘUnnamed Ni occurrence [1], Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
8.7km (5.4 miles) ⓘLast Drink No. 1 Occurrence (Blue Bucket No. 5), Waldo Mining District, Josephine County, Oregon, USA
15.0km (9.3 miles) ⓘAlta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
16.1km (10.0 miles) ⓘLower Elk Camp Ridge deposit (Ridge claims; Ridge Nickel claims; GTR claims Nos. 1-18), Gasquet, Klamath Mountains, Del Norte County, California, USA
22.5km (14.0 miles) ⓘCamp 7 group, French Hill, Klamath Mountains, Del Norte County, California, USA
26.7km (16.6 miles) ⓘTennessee Chromite Occurrence, Waldo Mining District, Josephine County, Oregon, USA
26.7km (16.6 miles) ⓘLucky Strike, Waldo Mining District, Josephine County, Oregon, USA
27.1km (16.9 miles) ⓘTennessee Pass Chromite Mine (K No. 130), Waldo Mining District, Josephine County, Oregon, USA
References
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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