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
Holston Mine (Vaughn Mine; Vaughn Ranch Mine), Porterville, Tulare County, California, USA


Locality type:Mine
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Holston Mine (Vaughn Mine; Vaughn Ranch Mine), Porterville, Tulare County, California, USA
Data Identifiers
Mindat Occurrence Record ID:335495
Long-form Identifier:1:3:335495:7
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
27.5km (17.1 miles) ⓘEarl Smith Mine, Lindsay Peak, Tulare County, California, USA
29.7km (18.4 miles) ⓘGill Ranch Mine (Gill Mine; Gill Ranch Chromite deposits), Lindsay Peak, Tulare County, California, USA
44.6km (27.7 miles) ⓘUnnamed Ni occurrence [1], Venice Hills, Ivanhoe, Tulare County, California, USA
98.7km (61.3 miles) ⓘLong Ledge No. 3 (Rose lease; Black Bear Mine), Long Ledge group, Hog Mountain, Fresno County, California, USA
99.5km (61.8 miles) ⓘLong Ledge No. 1 Mine (Wood's Mine; Grizzly Bear Mine; Wood's Grizzly Bear Mine), Long Ledge group, Hog Mountain, Fresno County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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