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Pronunciation varies by accent · noun
A black silicate mineral with chemical formula KNa₂Li(Fe²⁺,Mn²⁺)₂Ti₂Si₈O₂₄.
Use neptunite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Neptunite means A black silicate mineral with chemical formula KNa₂Li(Fe²⁺,Mn²⁺)₂Ti₂Si₈O₂₄.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use neptunite where its definition matches the intended context.
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