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Alain.R.Truong
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Alain.R.Truong
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13 juillet 2008

Purple Spinel. Vietnam

Purple Spinel. Vietnam
Purple Spinel. Vietnam A pretty oval-cut gem with brilliant luster, and fine transparency and a slightly lavenderish-purple hue. Weighing approximately 7.01 carats and measuring 12.0 x 10.5 x 6.2mm. Estimate: $2,000 - 2,500 - Unsold (Copyright © 2002-2008...
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13 juillet 2008

Ruby Spinel (Vietnam)

Ruby Spinel (Vietnam)
Ruby Spinel. Vietnam A pretty, cushion-shaped stone of rich red color and very good clarity suitable for mounting as a ring stone. Weighing approximately 2.59 carats and measuring 9.0 x 6.5 x 5.0mm - Estimate: $1,500 - 2,000 - Unsold (Copyright © 2002-2008...
30 mai 2008

AN UNMOUNTED BRILLIANT-CUT DIAMOND Weighing 12.15 carats

AN UNMOUNTED BRILLIANT-CUT DIAMOND Weighing 12.15 carats
AN UNMOUNTED BRILLIANT-CUT DIAMOND Weighing 12.15 carats Price Realized: HK$18,807,500 ($2,420,901) With report no. 8340199 dated 13 August 2007 from the Gemological Institute of America stating that the 12.15 carat diamond is D colour, flawless clarity,...
27 mai 2008

An unmounted cat's eye chrysoberyl weighing 35.93 carats

An unmounted cat's eye chrysoberyl weighing 35.93 carats
An unmounted cat's eye chrysoberyl weighing 35.93 carats The cat's eye chrysoberyl weighing 35.93 carats. Estimate: HK$2,200,000 - 3,200,000, $280,000 - 410,000 Footnote: Accompanied by a gemological report from Gemresearch Swisslab, stating that the...
2 mai 2008

A HIGHLY IMPORTANT ORANGE NATURAL PEARL

A HIGHLY IMPORTANT ORANGE NATURAL PEARL
A HIGHLY IMPORTANT ORANGE NATURAL PEARL The yellow to iridescent pinkish orange pearl measuring 21.1 by 19.4 mm and weighing 241.44 grains (60.36 carats), the pearl has not been drilled Accompanied by report No. 0127771 dated 07 December 2007 from the...
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1 mai 2008

Cinnabar, China

Cinnabar, China
Cinnabar, China While Greek texts mention the use of cinnabar—the naturally occurring form of vermilion—in as early as sixth century B.C., early Chinese artifacts show traces as far back as the second millennium B.C, and its use in pigments continues...
1 mai 2008

Extremely Large Rutilated Quartz Cabochon - Brazil

Extremely Large Rutilated Quartz Cabochon - Brazil
Extremely Large Rutilated Quartz Cabochon - Brazil An exceedling large desktop or cabinet specimen, this oval cabochon of rather transparent rock crystal quartz contains needle-like inclusions of rutile. Rutile is the natural mineral form of titanium...
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