首页 > Term: polycrase
polycrase
Orthorhombic nerastov (Y,Ca,Ce,U,Th)(Ti,Nb,Ta) 2 O 6; čierna; v pegmatites žuly. Predtým hláskoval polykras.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- Hana Ušiak
- 100% positive feedback
(Bratislava, Slovakia)