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Pronunciation varies by accent · noun
(mineralogy) A basic beryllium sorosilicate that is an ore of beryllium..
Use bertrandite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Bertrandite means (mineralogy) A basic beryllium sorosilicate that is an ore of beryllium..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use bertrandite where its definition matches the intended context.
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