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Pronunciation varies by accent · noun
(mineralogy) An iron-rich clay mineral of the montmorillonite group.
Nontronite, a variety of chloropal occurs as a light yellow powder in druses of the North Conway granite (99, p. 312).
Use nontronite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Nontronite means (mineralogy) An iron-rich clay mineral of the montmorillonite group.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Nontronite, a variety of chloropal occurs as a light yellow powder in druses of the North Conway granite (99, p. 312).
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