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单词 pyroxene group
释义

pyroxene group

noun

: a group of silicate minerals closely related in crystal form and having the general formula ABSi2O6 where A represents usually Ca or Na and B is usually Mg, Fe, or Al that includes the orthorhombic species enstatite and hypersthene and several monoclinic species (as diopside, spodumene, jadeite, acmite, and augite)
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更新时间:2025/1/24 14:59:46