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Pronunciation varies by accent · noun
(mineralogy) A monoclinic-prismatic colorless mineral containing calcium, chlorine, hydrogen, oxygen, and silicon..
Use rustumite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Rustumite means (mineralogy) A monoclinic-prismatic colorless mineral containing calcium, chlorine, hydrogen, oxygen, and silicon..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use rustumite where its definition matches the intended context.
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