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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Röntgenite-(Ce) from
Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland


Locality type:Pegmatite
Classification
Species:Röntgenite-(Ce)
Formula:Ca2(Ce,La)3(CO3)5F3
Confirmation
Validity:Valid - Type Locality
Associated Minerals:
Associates:Parisite-(Ce)
Synchysite-(Ce)
Associated Minerals Based on Photo Data:
Synchysite-(Ce)2
Data
Mineral Data:Click here to view Röntgenite-(Ce) data
Locality Data:Click here to view Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
Data Identifiers
Mindat Occurrence Record ID:239887
Long-form Identifier:1:3:239887:7
GUID (UUID V4):0
References
Donnay, Gabrielle (1953) Roentgenite, 3CeFCO3· 2CaCO3, a new mineral from Greenland. American Mineralogist, 38 (9-10) 868-871
 
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