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calcium minerals
Naturally abundant and widely exploited in industry. Main useful ores are calcite, dolomite, anhydrite, and gypsum. Apatite is mined for phosphorus; fluorite for fluorides; and colemanite and ulexite for boron.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)