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The 'Winston Legacy' is the largest white diamond ever to come to auction. The Type IIa, pear-shaped, D colour, flawless diamond was sold to Harry Winston at Christie's auction of jewels in Geneva on 15 May

Beautiful variations in March birthstone, the Aquamarine

Aquamarine Aquamarine has this beautiful cool blue hue and it's bodycolor range from greenish blue to blue in light tones. The gem is March's birthstone!

Tanzanite

crystal Zoisite Tanzanite Archived Merelani Hills Tanzania thumbnail, x x cm A stunning GEM CRYSTAL, complete all around. GEM QUALITY throughout.

Yellow Sapphire form Thailand

Pukhraj Yellow Sapphire

Pukhraj is the Hindi name for yellow sapphire, which has a special place in Vedic astrology

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Exquisite Welo Opal from Welo Amhara Regional State Ethiopia : credit: © by Treasurion Visit Amazing Geologist for more.

Okorusu, Namibia is renowned for its multi-hued attractive Fluorites such as this one.

From: Okorusu Mine, Otjiwarongo District, Otjozondjupa Region, Namibia - Dimensions: - Sold by: The Arkenstone -

This is one rainbow that Dorothy never found.....a stunning Rainbow Calcite featured in The Handbook of Gemmology. Another magical moment from Mother Earth brought to you through the photography of Tino Hammid. Faceted by Art Grant. Courtesy of the Smithsonian.

A stunning Rainbow Calcite featured in The Handbook of Gemmology. Another magical moment from Mother Earth brought to you through the photography of Tino Hammid. Faceted by Art Grant. Courtesy of the Smithsonian.

Blue Garnet (color-changing Pyrope-Spessartite) - Madagascar

One of the rarest gemstones in the world: Blue garnet. I got a (very) small color-change blue garnet.

2.21 cts. Zultanite® Wobito Snowflake Cut 8 mm

Zultanite Wobito Snowflake Cut, -one of the rarest gemstones on earth!

Zoisite, var. Tanzanite Crystal from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania

Online Mineral Museum Photographic Archive No. Tanzanite Crystal from Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite).

Poudretteite :: A very rare gem, first found in Mont St. Hilaire, Quebec, Canada. Named after the Poudrette family who were the operators of the quarry where it was first discovered. Photo courtesy of Scott Davies, americanthai.com

Emerald Gemstones Ten gemstones that are rarer than diamond. **Alexandrite, poudretteite, grandidierite, yellow diamond 10 Gemstones Much Rarer Than

Sphene has the second highest dispersion 'fire' of any stone, the highest being demantoid garnet.  The third highest is diamond.

I love this gorgeous gem not familiar to most people. The trade name is "Titanite". Sphene has the second highest dispersion 'fire' of any stone, the highest being demantoid garnet. The third highest is diamond.

The El-Dorado Topaz, which weighs a whopping 31,000 carats (13.67 lbs.) currently holds the crown as the largest faceted gemstone in the world. Originally discovered in 1984 in mineral-rich Minas Gerais, Brazil, the pre-cut El-Dorado crystal tipped the scales at a mind-boggling 81.57 lbs.

Largest Faceted Gemstones in the World Are Members of the Topaz Family

The El-Dorado Topaz, which weighs a whopping carats lbs.) currently holds the crown as the largest faceted gemstone in the world. Originally discovered in 1984 in mineral-rich Minas Gerais, Brazil, the pre-cut El-Dorado crystal tipped the sc

Zümrüt

The beautiful common gemstone belongs to the beryl family and gets its green coloring from traces of chromium and vanadium. Many are treated with oils to enhance their color. It is a fairly hard stone.

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