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Polycrase-(Y)
Type Locality
Rasvåg feldspar quarries, Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway
Mineral Data
(Y,U)(Ti,Nb)
2
O
6
Strunz:
4.DG.05
Physical Properties
Colour:
Black
Hardness:
5.0 - 6.0
Synonyms
Synonyms:
Polycrase-Y, Polycrase Y and Polycrase - Y
