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This sample of sugilite is displayed in the Smithsonian Museum of Natural History. Sugilite is a silicate mineral which contains lithium. It has the composition KNa2Li3(Fe,Mn,Al)2Si12O30. This sample is about 10 cm long and the gem is 23.5 carats. It is from Kalahari Desert, Cape Province, South Africa.
这种 sugilite 样本陈列在史密森尼自然历史博物馆中。sugilite 是一种含锂的硅酸盐矿物,其化学式为 KNa₂Li₃(Fe,Mn,Al)₂Si₁₂O₃₀。该样本长约 10 厘米,宝石重 23.5 克拉。它来自南非开普省卡鲁沙漠。
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