Home > Term: polycrase
polycrase
Orthorhombic nerastov (Y,Ca,Ce,U,Th)(Ti,Nb,Ta) 2 O 6; čierna; v pegmatites žuly. Predtým hláskoval polykras.
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Looja
- Hana Ušiak
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(Bratislava, Slovakia)
