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Pronunciation varies by accent · noun
(mineralogy, obsolete) A supposed iron aragonite mineral, later determined not to exist..
Use junckerite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Junckerite means (mineralogy, obsolete) A supposed iron aragonite mineral, later determined not to exist..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use junckerite where its definition matches the intended context.
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