홈 > Term: polymignite
polymignite
An orthorhombic mineral, (Ca,Fe,Y,Th)(Nb,Ti,Ta,Zr)O4; radioactive; in syenites and granite pegmatites. Also spelled polymignyte.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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작성자
- ed.young
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