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Pronunciation varies by accent · noun
(mineralogy) A mineral, of a white color and vitreous luster, with the chemical formula CaAl₂Si₄O₁₂·4H₂O. It is a hydrous silicate of alumina and lime. Exposed to the air, it loses water, becomes opaque, and crumbles..
Use laumontite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Laumontite means (mineralogy) A mineral, of a white color and vitreous luster, with the chemical formula CaAl₂Si₄O₁₂·4H₂O. It is a hydrous silicate of alumina and lime. Exposed to the air, it loses water, becomes opaque, and crumbles..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use laumontite where its definition matches the intended context.
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