Home > Term: saphir d'eau
saphir d'eau
French water sapphire. An intense-blue variety of the mineral cordierite, occurring in waterworn masses in the river gravels of Ceylon; used as a gem stone.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)