홈 > Term: hollandite
hollandite
A monoclinic mineral, BaMn8O16; cryptomelane group; pseudotetragonal; massive, botryoidal, stalactitic, or prismatic with deeply striated faces; commonly associated with pyrolusite. Compare: romanechite
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)