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单词 nepheline-basalt
释义

nepheline /nefˈə-lēn/

noun

A rock-forming mineral, silicate of sodium, potassium and aluminium, colourless, usu crystallizing in hexagonal prisms (also nephˈelite)

ORIGIN: Gr nephelē a cloud (from the clouding effect of acid on it)

nephˈelinite noun

A basalt-like rock compound of nepheline and pyroxene, with no feldspar or olivine

nephˈeline-basˈalt noun

A basalt with nepheline instead of (or in addition to) feldspar

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更新时间:2024/11/10 17:11:52