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单词 stilpnomelane
释义

Stilpnomelane


Stilp`nom´e`lane


n.1.(Min.) A black or greenish black mineral occurring in foliated flates, also in velvety bronze-colored incrustations. It is a hydrous silicate of iron and alumina.

stilpnomelane


stilpnomelane

[‚stilp·nō′me‚lān] (mineralogy) K(Fe,Mg,Al)3Si4O10(OH)2·H2O A black or greenish-black mineral composed of basic hydrous potassium iron magnesium aluminum silicate; occurs as fibers, incrustations, and foliated plates.
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更新时间:2024/12/23 1:04:59