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