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Gemstone Photo Gallery: Amethyst Geode Gemstone

Alphabetical List of Mineral Pictures: Amethyst is purple quartz, which is silicon dioxide. The color may derive from manganese or ferric thiocyanate.

The Blue Giant of the Orient, a rectangular-cut world’s largest faceted Kashmir sapphire of 486.52 carat, is displayed at Christie’s headquarters in Geneva on Wednesday. The sapphire will be up for auction on May 19 and is estimated to sell between $10,00,000 and 15,00,000

The Blue Giant of the Orient, a rectangular-cut world’s largest faceted Kashmir sapphire of carat, displayed at Christie’s headquarters in Geneva

Sample from China of garnet crystals with quartz.

Gemstone Photo Gallery

Blue Garnet (color-changing Pyrope-Spessartite) - Madagascar | Buy  natural #gemstones online at mystichue.com

One of the rarest gemstones in the world: Blue garnet. I got a (very) small color-change blue garnet. I think that small pocket is mined out now, so it's super-rare.

Corindón rojo (Rubí)

Sapphire Gemstones Ruby crystal before faceting. Ruby is the name given to the red variety of the mineral corundum (aluminum oxide).

Lavendulan on Acanthite - Imiter Mine, Imiter District, Djebel Saghro, Ouarzazate Province, Drâa-Tafilalet Region, Morocco FOV : 2 mm

inspiration-imusam: “ Blue lavendulan balls on acanthite ”

Sphalerite is the chief ore of zinc. It consists largely of zinc sulfide in crystalline form but almost always contains variable iron. When iron content is high it is an opaque black variety, marmatite. It is usually found in association with galena, pyrite, and other sulfides along with calcite, dolomite, and fluorite. Miners have also been known to refer to sphalerite as zinc blende, black-jack, and ruby jack.

Sphalerite is the chief ore of zinc. It consists largely of zinc sulfide in…

Native Wire Silver and Silver on Acanthite matrix - Old Schneeberg District, Erzgebirge, Saxony, Germany

bijoux-et-mineraux: “ Native Wire Silver and Silver on Acanthite matrix - Old Schneeberg District, Erzgebirge, Saxony, Germany ”

raw opals

raw opals-my birthstone. You know it's bad luck to wear opals unless they're your birthstone

Gartrellite on Carminite - both hideously rare and WHAT a combo!    #pixiecrystals

Gartrellite - lime green (lead /iron/copper/ arsenic) on Carminite, brownish red (arsenic /iron/ cobalt /copper/ lead /aluminum)

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