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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Mogánite from
Del Norte Thunder Egg beds, Saguache County, Colorado, USA


Locality type:Beds
Classification
Species:Mogánite
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Mogánite data
Locality Data:Click here to view Del Norte Thunder Egg beds, Saguache County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:228239
Long-form Identifier:1:3:228239:8
GUID (UUID V4):0
Nearest other occurrences of Mogánite
19.8km (12.3 miles) ⓘLa Garita, Saguache County, Colorado, USA
References
Rocks & Minerals (July-August, 2002)
 
and/or  
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