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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Tengerite-(Y) from
Cardiff Uranium Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada


Locality type:Mine
Classification
Species:Tengerite-(Y)
Formula:Y2(CO3)3 · 2-3H2O
Comments:Tengerite-(Y) has been redefined. Miyawaki, Ritsuro, Kuriyama, Junko, and Naki, Izumi, 1993, The redefinition of tengerite- (Y) , Y2(CO3)3.2-3H2O, and its crystal structure, American Mineralogist, 78: 425-432.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Tengerite-(Y) data
Locality Data:Click here to view Cardiff Uranium Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:10826
Long-form Identifier:1:3:10826:9
GUID (UUID V4):0
References
D. D. Hogarth, H. R. Steacy, E. I. Semenov, E. G. Proshchenko, M. E. Kazakova and Z. T. Kataeva (1973) New occurrence and data for spencite. The Canadian Mineralogist 12:66-71
 
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