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单词 allagite
释义

allagite

/ˈaləɡʌɪt/
Mineralogy. Now rare
noun
A green or brownish-red mineral of uncertain identity (perhaps an altered form of rhodonite) consisting of a silicate and carbonate of manganese.

Origin

Early 19th century. From German Allagit from ancient Greek ἀλλαγή change, alteration (from ἄλλος other; the guttural suffix is unexplained) + German -it, with alteration of the ending after words in -ite; the mineral was apparently so called on account of its change of appearance on exposure.

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更新时间:2024/9/24 3:27:31