英语词汇“aenigmatite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

aenigmatite

/ɪˈnɪɡmətʌɪt/

(also enigmatite) Mineralogy

noun

A titanium-containing mineral occurring as long prismatic crystals of a black or dark brown colour, typically as a constituent of pegmatites.

Aenigmatite is a titanate and silicate of sodium and ferrous iron, Na₂Fe ii ₅TiSi₆O₂₀. Crystal system: triclinic..

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From German Ainigmatit from ancient Greek αἴνιγμα (with reference to its originally problematic nature) + German -it.

单词	aenigmatite
释义	aenigmatite /ɪˈnɪɡmətʌɪt/ (also enigmatite) Mineralogy noun A titanium-containing mineral occurring as long prismatic crystals of a black or dark brown colour, typically as a constituent of pegmatites. Aenigmatite is a titanate and silicate of sodium and ferrous iron, Na₂Fe ii ₅TiSi₆O₂₀. Crystal system: triclinic.. Origin Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From German Ainigmatit from ancient Greek αἴνιγμα (with reference to its originally problematic nature) + German -it.
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