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Alain.R.Truong
30 mars 2012

Grande Ammonite, Placenticeras meeki. Mésozoïque (135-65 Ma; Crétacé inférieur), environ 70 millions d'années

Grande Ammonite, Placenticeras meeki. Mésozoïque (135-65 Ma; Crétacé inférieur), environ 70 millions d'années
Grande Ammonite, Placenticeras meeki. Mésozoïque (135-65 Ma; Crétacé inférieur), environ 70 millions d'années. photo Cornette de Saint Cyr Formation-formation Bearpaw Alberta, CanadaCes ammonites colorées ne se trouvent que dans une zone très petite d'Alberta...
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28 octobre 2011

Grenat, Thanh Hóa , Vietnam

Grenat, Thanh Hóa , Vietnam
Grenat, Thanh Hóa , Vietnam . Photo MARC LABARBE n° 302 - a - 8 cm - Estimation : 80/90€ Grenat, Thanh Hóa , Vietnam . Photo MARC LABARBE N° 302 - b - 8 cm - Estimation : 80/90€ MARC LABARBE sarl. DIMANCHE 27 NOVEMBRE à 10H00. Place Saint-Aubin 3, bd...
28 octobre 2011

Pargasite sur calcite, Lục Yên, Vietnam

Pargasite sur calcite, Lục Yên, Vietnam
Pargasite sur calcite, Lục Yên, Vietnam . Photo MARC LABARBE N° 308 - 44 cm - Estimation : 780/810€ MARC LABARBE sarl. DIMANCHE 27 NOVEMBRE à 10H00. Place Saint-Aubin 3, bd Michelet 31000 Toulouse. Tél. : 05.61.23.58.78 - Fax : 05.62.27.29.28 - Email...
27 février 2011

Rubis étoilé, Rubis sur gangue & Spinelle et pargasite sur calcite, Luc Yen, Vietnam

Rubis étoilé, Rubis sur gangue & Spinelle et pargasite sur calcite, Luc Yen, Vietnam
Rubis sur gangue, Luc Yen, Vietnam. Courtesy MARC LABARBE sarl H : 31 cm Estimation : 1350/4000€ Rubis étoilé, Vietnam. Courtesy MARC LABARBE sarl 8,6 cts - Estimation : 690/750€ Spinelle et pargasite sur calcite, Luc Yen , Vietnam. Courtesy MARC LABARBE...
14 novembre 2010

A superb 19.94 carats Kashmir cushion-cut sapphire

A superb 19.94 carats Kashmir cushion-cut sapphire
A superb 19.94 carats Kashmir cushion-cut sapphire. Photo: Christie's Images Ltd., 2010 The unmounted cushion-cut sapphire weighing 19.94 carats Accompanied by report no. 1008001 dated 3 August 2010 from the Gübelin GemLab stating that the sapphire is...
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13 novembre 2010

Extraordinary Boulder Opal Cabochon. Koroit, Queensland, Australia

Extraordinary Boulder Opal Cabochon. Koroit, Queensland, Australia
Extraordinary Boulder Opal Cabochon. Koroit, Queensland, Australia © 2002-2010 Bonhams 1793 Ltd Weighing approximately 188.0 carats and measuring 70.0 x 32.0 x 12.5mm - Sold for $8,540 This is an exceptional and very large, gem-quality pear-shaped cabochon...
13 novembre 2010

Gem-Quality East African Prase Opal. Mount Iyobo, Tanzania

Gem-Quality East African Prase Opal. Mount Iyobo, Tanzania
Gem-Quality East African Prase Opal. Mount Iyobo, Tanzania © 2002-2010 Bonhams 1793 Ltd Weighing approximately 28.35 carats and measuring 22.5 x 19.0 x 11.0mm - Sold for $3,050 Both chrysoprase and prase opal have been mined on Iyobo Mountain in central...
13 novembre 2010

White Opal with Intense Fire

White Opal with Intense Fire
White Opal with Intense Fire © 2002-2010 Bonhams 1793 Ltd 570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia Weighing approximately 43.47 carats and measuring 23.5 x 14.5mm - Sold for $5,795 The present stone is a substantial...
13 novembre 2010

Hydrophane White Opal with Intense Fire. 570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia

Hydrophane White Opal with Intense Fire. 570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia
Hydrophane White Opal with Intense Fire. 570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia © 2002-2010 Bonhams 1793 Ltd Weighing approximately 10.10 carats and measuring 21.5 x 14.0 x 7.5mm - Sold for $1,464 This is an excellent...
13 novembre 2010

Spectacular Black (Dark Brown) Nevada Opal. Royal Peacock Mine, Virgin Valley, near Denio, Nevada

Spectacular Black (Dark Brown) Nevada Opal. Royal Peacock Mine, Virgin Valley, near Denio, Nevada
Spectacular Black (Dark Brown) Nevada Opal. Royal Peacock Mine, Virgin Valley, near Denio, Nevada © 2002-2010 Bonhams 1793 Ltd Weighing 25.48 carats and measuring 19.5 x 28.0 x 7.5mm - Estimate: $10,000 - 15,000 Note: Some of the most stunning black opals...
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