홈 > Term: fleches d'amour
fleches d'amour
Acicular, hairlike crystals of rutile, TiO2, embedded in quartz; a semiprecious gemstone.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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