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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Valentinite from
Yellow Jacket Mine, Santa Ana Mountain, Stayton Mining District (McLeod Mining District; Panoche Mining District), San Benito County, California, USA


Locality type:Mine
Classification
Species:Valentinite
Formula:Sb2O3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Valentinite data
Locality Data:Click here to view Yellow Jacket Mine, Santa Ana Mountain, Stayton Mining District (McLeod Mining District; Panoche Mining District), San Benito County, California, USA
Data Identifiers
Mindat Occurrence Record ID:11501
Long-form Identifier:1:3:11501:0
GUID (UUID V4):0
Nearest other occurrences of Valentinite
8.3km (5.2 miles) ⓘStayton Mine (Stayton Quicksilver Mine; Pacific claim of Stayton group), Antimony Peak, Stayton Mining District (McLeod Mining District; Panoche Mining District), Merced County, California, USA
74.2km (46.1 miles) ⓘPicacho Mine (Ramirez Consolidated Mine; Picachos Mine; Los Picachos Mine; Picahotes Mine; Benta Mine; Hernandez Mine; Ramirez Mine; Bonanza Mine), Picacho Peak, San Benito County, California, USA
References
Cooper, Joseph F., Dunning, Gail E. (1989) Stibnites of the Stayton District, Hollister, California. The Mineralogical Record, 20 (6) 427-438pp.434-434
 
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