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Black "Nobby" Opal with Multi-color Fire, Kelly's Field, Lightning Ridge, New South Wales, Australia

Lot 58. 20.88 carats Black "Nobby" Opal with Multi-color Fire, Kelly's Field, Lightning Ridge, New South Wales, Australia. Estimate US$ 60,000 - 80,000 (€ 53,000 - 71,000). © Bonhams With its inky, midnight black base color, this fine nodule opal displays...

Posté par Alain Truong à 18:23 - Commentaires […] - Permalien [#]

Tags: Australia, Lightning Ridge, New South Wales, Black "Nobby" Opal, Kelly's Field

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8 juin 2020

41 carats Black Opal with Floral Pattern Red Play of Color

Lot 114. 41 carats Black Opal with Floral Pattern Red Play of Color, Lightning Ridge, New South Wales, Australia. Estimate US$ 70,000 - 80,000 (€ 62,000 - 71,000). © Bonhams A large and impressive "nodule" opal (a nobby), having an incredible pinfire...

Posté par Alain Truong à 18:14 - Commentaires […] - Permalien [#]

Tags: Australia, black opal, Lightning Ridge, New South Wales

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7 août 2019

Legendary mineral collector Rock H. Currier's collection celebrated in August Nature & Science Auction

DALLAS, TX .- A collection of 322 specimens from the estate of one of the most legendary mineral collectors of the last 50 years will be offered in Heritage Auctions ’ Rock H. Currier Collection of Fine Minerals Auction Aug. 26 in Dallas, Texas. Currier...

Posté par Alain Truong à 12:04 - Commentaires […] - Permalien [#]

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7 août 2018

Enormous 'lightning bolt' gold nugget - rarer than any diamond - to bring $100,000 at auction

Lot 72036. Gold Nugget "Lightning Bolt", Victoria, Australia; 10.63 x 2.36 x 1.43 inches (27.00 x 6.00 x 3.64 cm), 1,241 grams (39.9 oz t). Estimate: $70,000 - $100,000. DALLAS, TX .- An enormous, 40-ounce gold nugget, nicknamed “Lightning Bolt” for its...

Posté par Alain Truong à 10:41 - Commentaires […] - Permalien [#]

Tags: tourmaline, Gold Nugget, fluorite, Azurite, Imperial Topaz, Tarnowitzite, Fossil Palm Frond, Seymchan Meteorite, Megalodon Shark Tooth

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10 mai 2018

Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea

Lot 3246 Y. Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea. Weighing approximately 8.88 carats and measuring 11.84 x 10.26 x 9.52mm . Estimate US$ 10,000 - 12,000 (€ 8,400 - 10,000 ) . © Bonhams 2001-2018 The present offering is of large...

Posté par Alain Truong à 20:12 - Commentaires […] - Permalien [#]

Tags: conch pearl, Strombus gigas, Caribbean Sea, "Queen Conch"

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10 mai 2018

Conch Pearl, Strombus gigas or "Queen Conch", Caribean Sea

Lot 3245 Y. Conch Pearl, Strombus gigas or "Queen Conch", Caribean Sea. Weighing approximately 7.0 carats and measuring 13.02 x 8.73 x 7.94mm. Estimate US$ 7,000 - 9,000 ( € 5,900 - 7,600) . © Bonhams 2001-2018 A conch is one of a number of different...

Posté par Alain Truong à 20:07 - Commentaires […] - Permalien [#]

Tags: conch pearl, Strombus gigas, "Queen Conch", Caribean Sea

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10 mai 2018

Important Color-Change Sapphire, Sri Lanka

Lot 3208. Important Color-Change Sapphire, Sri Lanka. Weighing approximately 27.19 carats and measuring 19.0 x 15.6 x 10.19mm. Estimate US$ 120,000 - 150,000 (€ 100,000 - 130,000) . © Bonhams 2001-2018 A lovely, unenhanced color-change sapphire with excellent...

Posté par Alain Truong à 13:03 - Commentaires […] - Permalien [#]

Tags: Sri Lanka, color-change sapphire

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10 mai 2018

Rich Black Opal-"The Black Prince II", Lightning Ridge, New South Wales, Australia

Lot 3169. Rich Black Opal-"The Black Prince II", Lightning Ridge, New South Wales, Australia. Weighing approximately 36.92 carats and measuring 31.5 x 20.2 x 8.4mm. Estimate US$ 65,000 - 85,000 (€ 55,000 - 72,000) . © Bonhams 2001-2018 A "nobby" opal,...

Posté par Alain Truong à 12:47 - Commentaires […] - Permalien [#]

Tags: Australia, Lightning Ridge, New South Wales, Black Opal-"The Black Prince II"

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10 mai 2018

Exceptional Black Pattern Opal-"Fireworks", Lightning Ridge, New South Wales, Australia

Lot 3147. Exceptional Black Pattern Opal-"Fireworks", Lightning Ridge, New South Wales, Australia. Weighing approximately 20.45 carats and measuring 22.5 x 20.4 x 7.9mm. Estimate US$ 120,000 - 140,000 ( € 100,000 - 120,000) . © Bonhams 2001-2018 This...

Posté par Alain Truong à 12:41 - Commentaires […] - Permalien [#]

Tags: Australia, Lightning Ridge, New South Wales, Black Pattern Opal-"Fireworks"

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10 mai 2018

Exceptional Chrysoberyl var. Alexandrite, Sri Lanka

Lot 3210. Exceptional Chrysoberyl var. Alexandrite, Sri Lanka. Weighing approximately 18.03 carats and measuring 15.87 x 13.54 x 10.19mm. Estimate US$ 200,000 - 250,000 (€ 170,000 - 210,000) . © Bonhams 2001-2018 Named for Tsar Alexander II, this rare...

Posté par Alain Truong à 12:31 - Commentaires […] - Permalien [#]

Tags: Sri Lanka, Chrysoberyl var. Alexandrite

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