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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Aegirine from
Werner Bjerge Complex, Northeast Greenland National Park, Greenland


Locality type:Complex
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aegirine data
Locality Data:Click here to view Werner Bjerge Complex, Northeast Greenland National Park, Greenland
Data Identifiers
Mindat Occurrence Record ID:156956
Long-form Identifier:1:3:156956:8
GUID (UUID V4):0
Nearest other occurrences of Aegirine
82.9km (51.5 miles) ⓘKap Parry Complex, Northeast Greenland National Park, Greenland
References
Brooks, C. Kent; Engell, John; Larsen, Lotte Melchior; Pedersen, Asger Ken (1982, June) Mineralogy of the Werner Bjerge alkaline complex, East Greenland. Meddelelser om Grønland Geoscience Vol. 7. Meddelelser om Grønland 35pp.
www.koeln.netsurf.de (1999) http://www.koeln.netsurf.de/~w.steffens/green.htm
 
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