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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Quartz from
Kokkersvold - Blåfjell E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway


Locality type:Road Cutting
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Kokkersvold - Blåfjell E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:457282
Long-form Identifier:1:3:457282:4
GUID (UUID V4):0
References
Larsen, Alf Olav, Åsheim, Arne (1976) Mineraler fra Langangen. NAGS-NYTT, 3 (1) 11-14
 
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