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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Gypsum from
Unnamed Gypsum occurrence [5], Coalinga, Fresno County, California, USA


Locality type:Occurrence
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Unnamed Gypsum occurrence [5], Coalinga, Fresno County, California, USA
Data Identifiers
Mindat Occurrence Record ID:855779
Long-form Identifier:1:3:855779:7
GUID (UUID V4):0
Nearest other occurrences of Gypsum
10.5km (6.5 miles) ⓘUnnamed Gypsum occurrence [4], Coalinga, Fresno County, California, USA
14.6km (9.1 miles) ⓘTulare Lake View group, LaCeja Ridge, Kettleman Hills, Kings County, California, USA
14.8km (9.2 miles) ⓘCoalinga Mine [2], Coalinga, Fresno County, California, USA
17.0km (10.5 miles) ⓘCoalinga Mine [1], Alcalde Hills, Coalinga, Fresno County, California, USA
18.3km (11.3 miles) ⓘEureka Gypsum Mines, Alcalde Hills, Coalinga, Fresno County, California, USA
18.4km (11.4 miles) ⓘSan Joaquin Coal Mine, Coalinga, Fresno County, California, USA
19.6km (12.2 miles) ⓘUnnamed Gypsum occurrence [1], Alcalde Hills, Coalinga, Fresno County, California, USA
24.2km (15.0 miles) ⓘUnnamed Gypsum occurrence [3], Coalinga, Fresno County, California, USA
28.9km (18.0 miles) ⓘCanyon Mine (C. E. Boyd prospect; Dudley; E-B), Reef Station, Kings County, California, USA
31.1km (19.3 miles) ⓘUnnamed Aragonite-Gypsum occurrence [1], Kettleman Hills, Kings County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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