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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Phlogopite from
Starlera Mine, Starlera Valley, Ferrera, Viamala Region, Grisons, Switzerland


Locality type:Mine
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Starlera Mine, Starlera Valley, Ferrera, Viamala Region, Grisons, Switzerland
Data Identifiers
Mindat Occurrence Record ID:640484
Long-form Identifier:1:3:640484:0
GUID (UUID V4):0
References
Brugger, J., Gieré, R., Graeser, Stefan, Meisser, Nicolas (1997) The crystal chemistry of roméite. Contributions to Mineralogy and Petrology, 127 (1) 136-146 doi:10.1007/s004100050271
Brugger, J. and Giere, R. (1999) As,Sb,Be and Ce enrichment in minerals from a metamorphosed Fe-Mn-deposit, Val Ferrera, Eastern Swiss Alps. Canadian Mineralogist: 37: 37-52.
Brugger, J., Krivovichev, S. V., Kolitsch, U., Meisser, N., Andrut, M., Ansermet, S., Burns, P. C. (2002) Description and crystal structure of manganlotharmeyerite, Ca[Mn3+,◻,Mg]2{AsO4,[AsO2(OH)2]}2(OH,H2O)2 from the Starlera Mn deposit, Swiss Alps, and a redefinition of lotharmeyerite. The Canadian Mineralogist, 40 (6) 1597-1608 doi:10.2113/gscanmin.40.6.1597
 
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