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单词 hellandite
释义 hel·land·ite
\ˈhelənˌdīt\ noun
(-s)
Etymology: German hellandit, from Amund Helland died 1918 Norwegian geologist + German -it -ite
: a mineral consisting of a silicate of the cerium metals with aluminum, iron, manganese, and calcium
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更新时间:2024/11/11 4:18:03