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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Epsomite 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:Epsomite
Formula:MgSO4 · 7H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epsomite 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:4958
Long-form Identifier:1:3:4958:0
GUID (UUID V4):0
Nearest other occurrences of Epsomite
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
64.3km (39.9 miles) ⓘNew Almaden Mine (New Almaden Mines), New Almaden, New Almaden Mining District, Santa Clara County, California, USA
70.0km (43.5 miles) ⓘClear Creek deposits, Idria Peak, San Benito County, California, USA
70.1km (43.5 miles) ⓘNew Idria Mine (New Idria group; New Hope vein), Idria (New Idria), San Benito County, California, USA
72.9km (45.3 miles) ⓘPacific Cement and Aggregate Company quarry, Santa Cruz, Santa Cruz 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.433-433
 
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