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Aeschynite-(Y)

Type Locality
Urstad Feldspar Mine, Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway
Mineral Data
(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Strunz: 
4.DF.05
Physical Properties
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 6.0
Tenacity: 
brittle
Synonyms
Synonyms: 
Aeschynite-Y, Aeschynite Y, Aeschynite - Y, Priorite, Aeschinite Y and Blomstrandine