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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Alumoåkermanite from
Mount Etinde, Buea, Fako, Southwest Region, Cameroon


Locality type:Volcano
Classification
Species:Alumoåkermanite
Formula:(CaNa)Al[Si2O7]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Alumoåkermanite data
Locality Data:Click here to view Mount Etinde, Buea, Fako, Southwest Region, Cameroon
Data Identifiers
Mindat Occurrence Record ID:610451
Long-form Identifier:1:3:610451:1
GUID (UUID V4):0
References
Fitton, J. G., Hughes, D. J. (1981) Strontian melilite in a nephelinite lava from Etinde, Cameroon. Mineralogical Magazine, 44 (335) 261-264 doi:10.1180/minmag.1981.044.335.03
 
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