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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Calcareous Tufa from
Hot Springs, Garland County, Arkansas, USA


Locality type:City
Classification
Species:'Calcareous Tufa' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcareous Tufa data
Locality Data:Click here to view Hot Springs, Garland County, Arkansas, USA
Data Identifiers
Mindat Occurrence Record ID:269652
Long-form Identifier:1:3:269652:2
GUID (UUID V4):0
References
Hanor, 1980. Fire In Folded Rocks
 
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