홈 > Term: dumortierite
dumortierite
Orthorhombic mineraali, Al 7 (BØ 3) (SiO 4) 3 O 3; kuitu tai säteilevien; Mohsin kovuus, 7-8-1/2; OOO, gneissi ja pegmatite patoja.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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(Helsinki, Finland)