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单词 vaalite
释义 vaalite Min.|ˈvɑːlaɪt|
[f. the Vaal River, S. Africa, + -ite1 2 b; named by Maskelyne.]
A variety of vermiculite.
1874Maskelyne in Geol. Soc. Lond. XXX. 409 Vaalite..occurs in hexagonal prisms, the angles of which are nearly 60° and 120°.
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更新时间:2024/12/22 16:04:58