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单词 thortveitite
释义

thortveitite

noun

thort·​veit·​ite
(ˈ)tȯ(r)t¦vīˌtīt,
(ˈ)thȯ-
plural -s
: a mineral (Sc,Y)2Si2O7 consisting of scandium yttrium silicate and occurring in slender grayish-green orthorhombic crystals (hardness 6–7, specific gravity 3.6)

Word History

Etymology

German thortveitit, from Olaus Thortveit, 20th century Norwegian mineralogist + German -it -ite

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更新时间:2024/11/14 19:14:11