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Polycrase-(Y)

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JYJ725919

Polycrase-(Y)

Description Tabs

Description
Locality: 
Hidra, Flekkefjord, Agder, Norway
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 1.3 × 1.4 cm
Description

Dark polycrase-Y group from Hittero, Norway. Old systematic material. 

 

Mineral Data
What's on the rock

Polycrase-(Y)

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