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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Hydroxylherderite from
Epprechtstein, Kirchenlamitz, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany


00640550017367120955534.jpg
Hydroxylherderite

Epprechtstein, Kirchenlamitz, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
00640550017367120955534.jpg
Hydroxylherderite

Epprechtstein, Kirchenlamitz, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
00640550017367120955534.jpg
Hydroxylherderite

Epprechtstein, Kirchenlamitz, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
Locality type:Mountain
Classification
Species:Hydroxylherderite
Formula:CaBe(PO4)(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hydroxylherderite data
Locality Data:Click here to view Epprechtstein, Kirchenlamitz, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
Data Identifiers
Mindat Occurrence Record ID:650976
Long-form Identifier:1:3:650976:7
GUID (UUID V4):0
References
Leavens, Peter B., Dunn, Pete J., Gaines, Richard V. (1978) Compositional and refractive index variations of the herderite-hydroxyl-herderite series. American Mineralogist, 63 (9-10) 913-917
 
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