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Polycrase-(Y)

Type Locality
Rasvåg feldspar quarries, Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway
Mineral Data
(Y,U)(Ti,Nb)2O6
Strunz: 
4.DG.05
Physical Properties
Colour: 
Black
Hardness: 
5.0 - 6.0
Synonyms
Synonyms: 
Polycrase-Y, Polycrase Y and Polycrase - Y
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