Lot Detail

Amethyst 3.8 Carats

Amethyst is a transparent purple-violet variety of quartz. The best amethysts have a medium dark violet color and uniform coloring. They are rarely heated to lighten dark colors or to improve transparency. An amethyst will change color to yellow or greenish yellow after heat treatment. Long time exposure to direct sunlight may make the color fade
Wed, Aug 2, 2017 5:00PM CDT
Tue, Aug 15, 2017 5:00PM CDT
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