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
Pyramid Lake, Washoe County, Nevada, USA


Locality type:Lake
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 Pyramid Lake, Washoe County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:285808
Long-form Identifier:1:3:285808:1
GUID (UUID V4):0
References
Benson, L.V., 2004, The tufas of Pyramid Lake, Nevada: U.S. Geological Survey Circular 1267, 14 pp.
 
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