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
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18 mai 2015

Quartz with Arsenopyrite inclusions from Portugal

Quartz with Arsenopyrite inclusions from Portugal
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18 mai 2015

Quartz with Dumortierite inclusions

Quartz with Dumortierite inclusions
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18 mai 2015

Hematite roses

Hematite roses from HuangguangLiang, Chifeng, Inner Mongolia, China.
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15 mai 2015

Fine Orange-Pink Tourmaline, Madagascar

Fine Orange-Pink Tourmaline, Madagascar. Estimate US$ 3,500 - 4,500 (€3,100 - 4,000). Photo Bonhams. Expertly faceted as a circular brilliant, this fine gem-quality tourmaline exhibits changing hues of pink and orange with slight purple flashes. Both its clarity and luster are exceptional. Weighing approximately 49.75 carats and measuring 23.0 x 15.5mm Bonhams. LAPIDARY WORKS OF ART, GEMSTONES AND MINERALS INCLUDING GOLD, 19 May 2015 10:00 PDT - LOS ANGELES
Posté par Alain Truong à 22:18 - - Commentaires [0] - Permalien [#]
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