홈 > Term: specular iron
specular iron
Variety of hematite, Fe2O3, black, lustrous, metallic gleam. Mohs hardness, 5.5 to 6.5. May be micaceous in form. Contains 70% iron; sp gr, 4.9 to 5.3.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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