01 A variety of crystallized quartz, of a purple or bluish violet color, of different shades. It is much used as a jeweler's stone.
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1.
A variety of crystallized quartz, of a purple or bluish violet color, of different shades. It is much used as a jeweler's stone.(Min.)
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2.
A purple color in a nobleman's escutcheon, or coat of arms.(Her.)
Phrases & compounds
Oriental amethyst —
the violet-blue variety of transparent crystallized corundum or sapphire.