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Allanite-(Ce)

Type Locality
Qáqarssuatsiaq, Aluk Island, Kap Farvel, Kujalleq, Greenland
Mineral Data
{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Physical Properties
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Tenacity: 
brittle
Synonyms
Synonyms: 
Allanite-Ce, Allanite Ce and Allanite - Ce