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Definition of Stilpnomelane
1. n. 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.
Definition of Stilpnomelane
1. Noun. (minerology) A metamorphic phyllosilicate mineral of the mica group, having the chemical formula K(Fe2+,Mg,Fe3+)8(Si,Al)12(O,OH)27. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Stilpnomelane
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