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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Inyoite from
Iron Mountain Mine (Number 8; Confidence; Old Mine), Iron Mountain, Iron Mountain [town], West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA


Locality type:Mine
Classification
Species:Inyoite
Formula:Ca(H4B3O7)(OH) · 4H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Inyoite data
Locality Data:Click here to view Iron Mountain Mine (Number 8; Confidence; Old Mine), Iron Mountain, Iron Mountain [town], West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
Data Identifiers
Mindat Occurrence Record ID:780200
Long-form Identifier:1:3:780200:3
GUID (UUID V4):0
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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