Home > Term: polycrase
polycrase
An orthorhombic mineral, (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6; black; in granite pegmatites. Formerly spelled polykras.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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