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
Unnamed Vesuvianite occurrence [1] (Prethero Brothers; Nat Parker), Watts Valley, Fresno County, California, USA


Locality type:Occurrence
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 Unnamed Vesuvianite occurrence [1] (Prethero Brothers; Nat Parker), Watts Valley, Fresno County, California, USA
Data Identifiers
Mindat Occurrence Record ID:905129
Long-form Identifier:1:3:905129:4
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
7.9km (4.9 miles) ⓘUnnamed Asbestos occurrence [4], Sentinel, Fresno County, California, USA
8.8km (5.5 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
9.7km (6.0 miles) ⓘLong Ledge No. 3 (Rose lease; Black Bear Mine), Long Ledge group, Hog Mountain, Fresno County, California, USA
62.1km (38.6 miles) ⓘUnnamed Ni occurrence [1], Venice Hills, Ivanhoe, Tulare County, California, USA
76.8km (47.7 miles) ⓘGill Ranch Mine (Gill Mine; Gill Ranch Chromite deposits), Lindsay Peak, Tulare County, California, USA
78.9km (49.0 miles) ⓘEarl Smith Mine, Lindsay Peak, Tulare County, California, USA
86.9km (54.0 miles) ⓘKings deposit (Kings prospect), Firebaugh, Fresno County, California, USA
References
D. B. Sterrett (1912) Mineral Resources of the United States Calendar Year 1911. US Government Printing Office.
 
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