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单词 tanzanite
释义 tanzanite Min.|ˈtænzənaɪt|
[f. as prec. + -ite1.]
A highly pleochroic violet-blue gemstone that is a variety of zoisite in which some of the aluminium is replaced by vanadium.
1968Wall St. Jrnl. 14 Oct. 4/1 Tiffany & Co. disclosed discovery of a rare gemstone that the firm's vice president, Henry B. Platt, has named tanzanite. The gem, discovered last year in Africa's Tanzania, has the blue coloring and relative transparency of a sapphire.1975Nat. Geographic Apr. 490/1, I take a dusty detour to see the mining of glorious gems of transparent purplish blue. Tiffany's has named them tanzanites.
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更新时间:2024/12/22 17:27:35