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
Long Ledge No. 3 (Rose lease; Black Bear Mine), Long Ledge group, Hog Mountain, Fresno County, California, USA


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 Long Ledge No. 3 (Rose lease; Black Bear Mine), Long Ledge group, Hog Mountain, Fresno County, California, USA
Data Identifiers
Mindat Occurrence Record ID:325200
Long-form Identifier:1:3:325200:0
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
0.9km (0.6 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) ⓘUnnamed Vesuvianite occurrence [1] (Prethero Brothers; Nat Parker), Watts Valley, Fresno County, California, USA
17.5km (10.9 miles) ⓘUnnamed Asbestos occurrence [4], Sentinel, Fresno County, California, USA
54.9km (34.1 miles) ⓘUnnamed Ni occurrence [1], Venice Hills, Ivanhoe, Tulare County, California, USA
69.0km (42.9 miles) ⓘGill Ranch Mine (Gill Mine; Gill Ranch Chromite deposits), Lindsay Peak, Tulare County, California, USA
71.2km (44.2 miles) ⓘEarl Smith Mine, Lindsay Peak, Tulare County, California, USA
95.0km (59.0 miles) ⓘKings deposit (Kings prospect), Firebaugh, Fresno County, California, USA
98.7km (61.3 miles) ⓘHolston Mine (Vaughn Mine; Vaughn Ranch Mine), Porterville, Tulare County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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