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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Chlorellestadite from
Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA


Locality type:Quarry
Classification
Species:Chlorellestadite
Formula:Ca5(SiO4)1.5(SO4)1.5Cl
Comments:As later assessment has shown that hydroxyl dominates over chlorine and fluorine in ellestadite from Crestmore, this mineral is hydroxylellestadite (Rouse and Dunn 1982)
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Chlorellestadite data
Locality Data:Click here to view Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
Data Identifiers
Mindat Occurrence Record ID:26356
Long-form Identifier:1:3:26356:6
GUID (UUID V4):0
References
[micromounts@yahoogroups.com]
Rouse, R.C., Dunn, P.J. (1982) A contribution to the crystal chemistry of ellestadite and silicate sulfate apatites. American Mineralogist: 67: 90-96.
Pasero, Marco, Kampf, Anthony R., Ferraris, Cristiano, Pekov, Igor V., Rakovan, John, White, Timothy J. (2010) Nomenclature of the apatite supergroup minerals. European Journal of Mineralogy, 22 (2) 163-179 doi:10.1127/0935-1221/2010/0022-2022
 
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