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Pronunciation varies by accent · noun
A clear yellow form of the crystalline mineral titanite or sphene, occurring in very small, thin, tubular crystals..
Use castellite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Castellite means A clear yellow form of the crystalline mineral titanite or sphene, occurring in very small, thin, tubular crystals..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use castellite where its definition matches the intended context.
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