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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Thulite from
Felsman, Kittitas County, Washington, USA


Locality type:Deposit
Classification
Species:Zoisite var: Thulite
Formula:{Ca2}{Al,Mn33+}(Si2O7)(SiO4)O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Thulite data
Locality Data:Click here to view Felsman, Kittitas County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:1665026
Long-form Identifier:1:3:1665026:8
GUID (UUID V4):0
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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