Home > Term: polycrase
polycrase
Un mineral orthorhombic, (Y,Ca,Ce,U,Th)(Ti,Nb,Ta) 2 O 6; negru; în pegmatites granit. Scris anterior polykras.
- Vārdšķira: noun
- Nozare/domēns: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Autors
- CIbanescu
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(V.I.P) 54244 points - 100% positive feedback
(Bucharest, Romania)
