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Pronunciation varies by accent · noun
(mineralogy) A metamorphic phyllosilicate mineral of the mica group, having the chemical formula K(Fe²⁺,Mg,Fe³⁺)₈(Si,Al)₁₂(O,OH)₂₇..
Use stilpnomelane when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Stilpnomelane means (mineralogy) A metamorphic phyllosilicate mineral of the mica group, having the chemical formula K(Fe²⁺,Mg,Fe³⁺)₈(Si,Al)₁₂(O,OH)₂₇..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use stilpnomelane where its definition matches the intended context.
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