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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Garnet Group from
Pulaski County, Arkansas, USA


07440030017368562636277.jpg
Andradite

Granite Mountain Quarry No. 1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
07440030017368562636277.jpg
Andradite

Granite Mountain Quarry No. 1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
03363300017272733416623.jpg
Andradite

Granite Mountain Quarry No. 1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
Locality type:County
Classification
Species:'Garnet Group' (not an IMA approved species)
Formula:X3Z2(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Garnet Group data
Locality Data:Click here to view Pulaski County, Arkansas, USA
Data Identifiers
Mindat Occurrence Record ID:960363
Long-form Identifier:1:3:960363:9
GUID (UUID V4):0
References
USGS National Geochemical Database :Rocks - File W257463
 
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