"Good luck spelling 'Adamantine,'" Mr. Carol said to his
spelling bee finalists.
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The luster of the sapphire is vitreous or adamantine.
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If there is one dominant trait that emerges from this account, it is adamantine willpower
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transparent, adamantine to waxy.
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Diamond luster is described as adamantine to waxy. Adamantine
luster is described as "...non-metallic, brilliant-light-reflecting
and transmitting properties of minerals..." and is not limited to
diamonds.