10 Dec 2012
13:00 PST
Los Angeles
Natural History-Unmounted Gemstones, Jewelry, Pearls
Back to auction 20082
Natural History-Unmounted Gemstones, Jewelry, Pearls
Back to auction 20082
Ametrine—A Member of the 100 Carats Club
Anahi Mine, Santa Cruz Department,
Boliva
Bi-color yellow and purple stone—known as ametrine—is a naturally occurring variety of quartz that is a mixture of amethyst and citrine with zones of purple and yellow. Almost all commercially available ametrine is mined in Bolivia. It is only occasionally seen in the jewelry world as faceted or cabbed gemstones. The present circular cabochon ametrine has a high dome and displays a high degree of transparency and distinct hexagonal color zoning of golden yellow and violet.
Weighing approximately 135.0 carats and measuring 33.0 x 17.0mm
Boliva
Bi-color yellow and purple stone—known as ametrine—is a naturally occurring variety of quartz that is a mixture of amethyst and citrine with zones of purple and yellow. Almost all commercially available ametrine is mined in Bolivia. It is only occasionally seen in the jewelry world as faceted or cabbed gemstones. The present circular cabochon ametrine has a high dome and displays a high degree of transparency and distinct hexagonal color zoning of golden yellow and violet.
Weighing approximately 135.0 carats and measuring 33.0 x 17.0mm
Sold for
US$ 437
inc. premium
Category: Natural History
Auction terms and conditions
Contacts
Claudia Florian
Bonhams
Work
7601 W. Sunset Boulevard
Los Angeles,
90046
United States
WorkTel:
+1 323 436 5437
FaxFax: +1 323 850 5843
Auction Administration
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Natural History