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出典:Wiktionary
Neptune + -ite
neptunite (usually uncountable, 複数形 neptunites)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/14 12:46 UTC 版)
Neptunite is a silicate mineral with the formula KNa2Li(Fe2+, Mn2+)2Ti2Si8O24. With increasing manganese it forms a series with mangan-neptunite. Watatsumiite is the variety with vanadium replacing the titanium in the formula.
neptunite