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单词 acmite
释义

acmite


acmite

(ˈækˌmaɪt) na silicate mineral with chemical formula NaFeSi2O6, consisting of pyramid-shaped crystals; aegirite

acmite


acmite

[′ak‚mīt] (mineralogy) NaFeSi2O6 A brown or green silicate mineral of the pyroxene group, often in long, pointed prismatic crystals; hardness is 6-6.5 on Mohs scale, and specific gravity is 3.50-3.55; found in igneous and metamorphic rocks.
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