홈 > Term: Greenland spar
Greenland spar
A monoclinic mineral, Na3AlF6; waxy colorless to white (disappears in water owing to low refractive index); soft; in veinlike cleavable masses in granite at Ivigtut, Greenland.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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