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false diamond
Any colorless mineral that if cut and polished makes a brilliant gem; e.g., zircon, corundum, and topaz. Having less dispersion, lower refractive index, and birefringence, they are easily distinguished from diamond.
- 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
- 100% positive feedback
(Milwaukee, United States)