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Great Blue Sapphire of Louis XIV. During the 17th cent, a Roman prince named Ruspoli sold it to a salesman, who sold it to King Louis XIV before 1691. The Ruspoli jewel escaped confiscation & theft during Revolution, probably saved by its peculiar form. In 1796, the revolutionary government allowed the Museum to choose a few gems for educational purposes. Today the Ruspoli Sapphire can be viewed in the Muséum National D’Histoire Naturelle

Great Blue Sapphire of Louis XIV. During the 17th cent, a Roman prince named Ruspoli sold it to a salesman, who sold it to King Louis XIV before 1691. The Ruspoli jewel escaped confiscation & theft during Revolution, probably saved by its peculiar form. In 1796, the revolutionary government allowed the Museum to choose a few gems for educational purposes. Today the Ruspoli Sapphire can be viewed in the Muséum National D’Histoire Naturelle

Aquamarine Shigar Valley, Skardu District, Pakistan

Aquamarine Shigar Valley, Skardu District, Pakistan

Diamante "Hortense"  color rosa, di 20 carati, chiamato come Hortense de Beauharnais, figliastra di Napoleone, scomparso durante la Rivoluzione, riapparve e N. lo fece montare sull'elsa della spada. L'ultima donna ad indossarlo fu la regina Eugenia de Montijo, moglie di Napoleone III;  molti gioielli della corona furono venduti, ma non questo e il Régent che vennero conservati e esposti al Louvre. Quasi un secolo dopo si unì  un altro famoso diamante, il Sancy.

Diamante "Hortense" color rosa, di 20 carati, chiamato come Hortense de Beauharnais, figliastra di Napoleone, scomparso durante la Rivoluzione, riapparve e N. lo fece montare sull'elsa della spada. L'ultima donna ad indossarlo fu la regina Eugenia de Montijo, moglie di Napoleone III; molti gioielli della corona furono venduti, ma non questo e il Régent che vennero conservati e esposti al Louvre. Quasi un secolo dopo si unì un altro famoso diamante, il Sancy.

Beryl (Var: Aquamarine), Albite | ©Fine Mineral Galleries | iRocks.com Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia.

Beryl (Var: Aquamarine), Albite | ©Fine Mineral Galleries | iRocks.com Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia.

Green Sapphire, excellent alternative to diamond for engagement ring.

Green Sapphire, excellent alternative to diamond for engagement ring.

The Koi Diamond.This diamond weighs only 6.4 g(32 carats), but it is one of the most unique diamonds on the planet because of its unique graduations in color which include white, orange, yellow, black, and dark blue. The colors of the diamond are reminiscent of the Koi fish,

The Koi Diamond.This diamond weighs only 6.4 g(32 carats), but it is one of the most unique diamonds on the planet because of its unique graduations in color which include white, orange, yellow, black, and dark blue. The colors of the diamond are reminiscent of the Koi fish,

Galerie de minéraux et cristaux - Crea-Stones.com

Galerie de minéraux et cristaux - Crea-Stones.com

This amazing 12 rayed Star Sapphire, over 70ct, a deep blue from Sri Lanka is part of the Smithsonian Gem and Mineral Collection.

This amazing 12 rayed Star Sapphire, over 70ct, a deep blue from Sri Lanka is part of the Smithsonian Gem and Mineral Collection.

Largest Gold Nugget Ever Found | Metal Detector SA #Science-Nature

Largest Gold Nugget Ever Found | Metal Detector SA #Science-Nature

Padparadscha Sapphire - This very rare color of sapphire (orange / pink / peach) is highly prized by gem collectors.  Gems over one carat sell for thousands per carat.  Few mines in the world are yielding this kind of gem. Gorgeous.

Padparadscha Sapphire - This very rare color of sapphire (orange / pink / peach) is highly prized by gem collectors. Gems over one carat sell for thousands per carat. Few mines in the world are yielding this kind of gem. Gorgeous.

corindón rubi

corindón rubi

Brazilian Amethyst Incorporating Four Styles Of Gemstone Cutting - Snowflake-cut, Concave-Cut, Negative-Cut And Bubble-Cut With Traditional Flat Faceting

Brazilian Amethyst Incorporating Four Styles Of Gemstone Cutting - Snowflake-cut, Concave-Cut, Negative-Cut And Bubble-Cut With Traditional Flat Faceting

Yellow Sapphire (Corundum) - Sri Lanka

Yellow Sapphire (Corundum) - Sri Lanka

Crocoite (polished sphere) / Tasmania, Australia. This must've been very fragile to shape.

Crocoite (polished sphere) / Tasmania, Australia. This must've been very fragile to shape.

Tanzanite, Merelani Hills, Lelatema Mountain, Arusha, Tanzania #Science-Nature

Tanzanite, Merelani Hills, Lelatema Mountain, Arusha, Tanzania #Science-Nature

Amethyst (purple) and Fluorite (green)

Amethyst (purple) and Fluorite (green)