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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Sardonyx from
Jabalpur Division, Madhya Pradesh, India


Locality type:Division
Classification
Species:Quartz var: Sardonyx
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sardonyx data
Locality Data:Click here to view Jabalpur Division, Madhya Pradesh, India
Data Identifiers
Mindat Occurrence Record ID:678657
Long-form Identifier:1:3:678657:1
GUID (UUID V4):0
References
Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
 
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