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.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Δημιουργός
- CIbanescu
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