04 août 2015

The finest opal ever unearthed will be publicly displayed for the first time in Australia

Opals were first discovered at Coober Pedy -- widely-known as the opal capital of the world -- in 1914 by a boy named Willie Hutchison. Photo by Richard Lyons, courtesy South Australian Museum. SYDNEY.- An Australian museum said Monday it would exhibit what it believes is the best opal stone ever found -- a 6.0-centimetre (2.4 inch) multi-coloured gem unearthed in the Outback named the Virgin Rainbow. The South Australian Museum said the stone, valued at more than Aus$1.0 million (US$730,000), would go on public display... [Lire la suite]
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03 août 2015

Two Pearls, Margarita Shipwrec, 1622

Two Pearls, Shipwreck: Margarita 1622. Recovered in 2007. Weight: 16.62 & 16.52. Estimate $300,000 – $400,000. Photo Guernsey's. In June 2007, Blue Water Ventures in conjunction with Motivation, Inc. (the Fisher family's salvage operation) found a lead box within the Margarita's wreck site that contained thousands of pearls. Following the discovery, a gemologist from the GIA was enlisted to analyze and categorize the pearls so that their history and guidelines for future care could be established.... [Lire la suite]
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02 août 2015

The Gene Lewis Emerald

The Gene Lewis Emerald. Shipwreck: Atocha 1622. Recovered in 1985. 32mm L, 23.89 Carats, Grade 1AA. Estimate $250,000 – $400,000. Photo Guernsey's. The emeralds aboard the Atocha were excavated from the Muzo mine in Colombia, which still retains its fame for producing gems of the highest quality and setting the world standard for this precious gem. This impressive emerald of impeccable size originated from the Banco Tequendama part of the mine, and records further varify that the gem... [Lire la suite]
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04 juillet 2015

Large Rock Crystal cluster Geode

Large Rock Crystal cluster Geode.  Estimate 3 750 € / 5 000 €. Photo: MARQUES DOS SANTOS  Dim.:78x32cm.    MARQUES DOS SANTOS , PORTO. Art d'Asie, Antiquités & Objets d'Art, le 04 Juillet 2015 à 15h30  
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08 juin 2015

Archaeological excavations in Australia reveal a 2,000-year-old natural marine pearl

Pink-and-gold-coloured 2,000-year-old natural marine pearl from the north Kimberley coast of Western Australia. SYDNEY (AFP).- Australian scientists said Wednesday they have uncovered a "very rare" 2,000-year-old natural sea pearl -- the first found on the vast island continent -- while excavating a remote coastal Aboriginal site. Archaeologists were working the site on the north Kimberley coast of Western Australia when they came across the unique gem below the surface, said Kat Szabo, an associate professor at the... [Lire la suite]
20 mai 2015

Spessartine Garnets on Smoky Quartz, Fujian Province, China.

Spessartine Garnets on Smoky Quartz, Fujian Province, China. Via mineralists.tumblr.com
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20 mai 2015

Chalcopyrite, Pedro Claim, Goldmyer Hot Springs, King Co., Washington, USA

Chalcopyrite, Pedro Claim, Goldmyer Hot Springs, King Co., Washington, USA Via mineralists.tumblr.com
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20 mai 2015

Tabular Wulfenite on matrix Rowley Mine, Arizona

Tabular Wulfenite on matrix, Rowley Mine, Arizona Via mineralists.tumblr.com
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19 mai 2015

The 'King of Tourmalines' opens his cabinet of extraordinary fine minerals to the world

Tourmaline on Tourmaline with Quartz. Porcupine Pocket, 2001. Pederneira Mine, São José da Safira, Doce Valley, Minas Gerais, Brazil. Estimate: $500,000 - $700,000. Photo courtesy Heritage Auctions. DALLAS, TX.- When The Gerhard Wagner Collection of extraordinary tourmalines crosses the block on June 7, 2015, at Heritage Auctions in Dallas, it will be — for hardcore collectors in the world of Fine Minerals — as if a vast cave of treasures, carefully cultivated and perfectly kept for decades, is opening for... [Lire la suite]
18 mai 2015

Strawberry Quartz

Strawberry Quartz
Posté par Alain Truong à 14:39 - - Commentaires [0] - Permalien [#]
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