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Pronunciation varies by accent · noun
(mineralogy) An orthorhombic-dipyramidal black mineral containing boron, iron, magnesium, manganese, and oxygen..
Use orthopinakiolite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Orthopinakiolite means (mineralogy) An orthorhombic-dipyramidal black mineral containing boron, iron, magnesium, manganese, and oxygen..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use orthopinakiolite where its definition matches the intended context.
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