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Alexandrite

Tsarstone collectors guide


Quartz, cat's-eye

Quartz, cat's-eye
A variety of translucent, grayish-green to greenish yellow chatoyant quartz or chalcedony containing fine parallel fibers of asbestos or parallel channels, arranged through the stone at right angles to the eye and parallel to the base of the crystal, that exhibit an opalescent play of light, when cut cabochon.
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