05 février 2014

Gold, opal and enamel ring, Georges Fouquet, circa 1900-1910

Gold, opal and enamel ring, Georges Fouquet, circa 1900-1910. Photo Sotheby's Set in the center with a fancy-shaped opal, within a frame of foliate design applied with bluish-green enamel, size 7, signed G. Fouquet, numbered 9730, maker's marks, French assay mark. Estimate 10,000 — 15,000 USD. LOT SOLD. 28,750 USD. Provenance: Formerly from the Collection of Mildred Anna Milton Williams, San Francisco. Note: For examples of other rings by Georges Fouquet from this period see Les Fouquet: Bijoutiers & Joailliers à Paris... [Lire la suite]
Posté par Alain Truong à 14:52 - - Commentaires [0] - Permalien [#]
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02 janvier 2014

Opal, diamond and pink sapphire necklace

Opal, diamond and pink sapphire necklace. Photo courtesy Sotheby's. Of floral motif design, suspending on an articulated flower set with a jelly opal weighing approximately 9.20 carats, surrounded by circular-cut pink sapphires together weighing approximately 1.30 carats, to petals set with brilliant-cut diamonds, highlighted by a flower bud set with three fire opals together weighing approximately 1.40 carats, the necklace decorated with brilliant-cut diamonds of brown hue, supporting numerous oscillating pear-shaped rose-cut... [Lire la suite]
Posté par Alain Truong à 18:43 - Commentaires [0] - Permalien [#]
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30 décembre 2013

Opal in matrix from Mexico.

Opal in matrix from Mexico.
Posté par Alain Truong à 17:54 - - Commentaires [0] - Permalien [#]
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27 juillet 2013

Azurite, Pietersite, Opal, Malachite

Lightning Ridge Opal Specimen, 7 x 4.5 cm. Lightning Ridge Opal Specimen Small Koroit Boulder Opal pendant, 3 x 1.8 x .5cm. Pietersite slab. Namibia, Africa, 15.4 x 8.5cm Pietersite slab, 29 x 13cm Azurite Crystals Malachite Crystals. Star of the Congo mine, Republic of Congo. Approximately 5.75" x 3.5". Flowering Malachite, Bagdad, Arizona Flowering Malachite, Bagdad, Arizona Azurite and Malachite. Approximately 6 1/2" x 3" (source Wood's Stoneworks and Photo Factory http://www.flickr.com) ... [Lire la suite]
Posté par Alain Truong à 19:46 - - Commentaires [0] - Permalien [#]
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13 juillet 2013

Papagoite, Quartz, Fluorite, Opal, Ikaite & Celestine

Papagoite included in Quartz; Messina Mine, Messina District, South Africa Fluorite under long wave UV; Rogerley Mine, Country Durham, United Kingdom Celestine; Mahajanga Province, Madagascar Opal after Ikaite; White Cliffs, Australia Boulder opal; Australia
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04 juillet 2013

The Opal collection of Princess Ceril Birabongse of Siam at Sotheby's London's auction on July 11th

  Opal Brooch set with Emeralds and Sapphires, 1920s. Photo Sotheby's. Centring on an oval black opal within a foliate surround of circular-cut emeralds and sapphires and single-cut diamonds. Estimate 5,000-7,000 GBP Formerly in the collection of Princess Ceril Birabonse of Siam. Ceril first met Bira in 1933 at the age of 17 when he was 20, three weeks later he asked her to marry him and thus began the story of Bira, Prince of Siam, grandson of King Monghut, immortalized by Richard Rodgers and Oscar... [Lire la suite]
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01 juillet 2013

Opal, Garnet, Lepidolite, Clevelandite, Agua Neuva Agate

Opal - Virgin Valley District/Humboldt County, Nevada. Joe Budd Photography. Gary White Collection Agua Neuva Agate. Photo by Wood’s Stoneworks A beautiful pink Tourmaline sprinkled with Lepidolite and Clevelandite along the bottom, mined in the 1980’s by Pala International; 24mm x 18mm x 16mm 16.2 grams. Garnet (Grossular), 18.1 gram, 2.7 x 2.7 x 1.2 cm. Jeffrey mine, Québec, Canada Opal from Yowah, Queensland, Australia
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04 juin 2013

Bogh-Art diamond inlaid into opal necklace.

  Bogh-Art at Masterpiece London, diamond inlaid into opal necklace. Photo courtesy of The Jewellery Editor
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19 mai 2013

PRECIOUS OPAL with IMPORTANT HISTORIC PROVENANCE. Virgin Valley, Humboldt County, Nevada, USA

PRECIOUS OPAL with IMPORTANT HISTORIC PROVENANCE. Virgin Valley, Humboldt County, Nevada, USA. Photo Heritage Auctions. Washington A. Roebling: chief engineer of the Brooklyn Bridge, soldier of the Union Army, devoted family man, and most important to this discussion: prolific collector of over 16,000 mineral, gem and meteorite specimens. His bridge building career included being involved with the Cincinnati-Covington Bridge, The Ojuela Mine Bridge, and the aforementioned Brooklyn Bridge. He was responsible for many technical... [Lire la suite]
Posté par Alain Truong à 21:30 - - Commentaires [0] - Permalien [#]
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19 mars 2013

Opal, diamond and pink sapphire necklace.

Opal, diamond and pink sapphire necklace. Photo Sotheby's Of floral motif design, suspending on an articulated flower set with a jelly opal weighing approximately 9.20 carats, surrounded by circular-cut pink sapphires together weighing approximately 1.30 carats, to petals set with brilliant-cut diamonds, highlighted by a flower bud set with three fire opals together weighing approximately 1.40 carats, the necklace decorated with brilliant-cut diamonds of brown hue, supporting numerous oscillating pear-shaped rose-cut diamonds,... [Lire la suite]
Posté par Alain Truong à 22:00 - - Commentaires [0] - Permalien [#]
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