tanzanite

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Petrified wood, Australian gold nugget, gemstones and meteorites highlight Heritage Auctions sale

DALLAS, TX .- Samples of rare Petrified Wood will be among the most coveted lots at Heritage Auctions' Nature & Science Auction April 29-30 in Dallas. The Petrified Wood comes from the collection of Lewis Goodman, a successful financier who turned a 1980s...

Posté par Alain Truong à 18:12 - Commentaires […] - Permalien [#]

Tags: pyrite, Tanzanite, Gold Nugget, backgammon, Boulder Opal Box, Fossil Fish, Fossil Palm Flower, Fossil Stingray, Gibeon Meteorite, Muonioanlusta Meteorite, Muonionalusta Meteorite, Petrified Conifer Slab, Petrified Oak Slab

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19 mai 2016

Large and Impressive Tanzanite, Tanzania

Lot 1273. Large and Impressive Tanzanite, Tanzania. Weighing approximately 92.60 carats and measuring 31.90 x 22.58 x 16.10mm. Sold for US$ 37,500 (€33,491). Photo: Bonhams. This fine oval-cut stone has an exceptional saturation of blue-violet. Both its...

Posté par Alain Truong à 21:52 - Commentaires […] - Permalien [#]

Tags: Tanzanite, Tanzania

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23 avril 2016

Tiffany & Co. L’Art de la Transformation: Tanzanite, Aigue Marine et Tourmaline verte.

Tiffany & Co. Bague Dôme en tanzanite. D’élégantes rangées de diamants et de saphirs épousent une tanzanite luxuriante, tout en saisissant la beauté changeante de la nature dont les couleurs et les formes évoluent sans cesse. Convoitée pour sa profonde...

Posté par Alain Truong à 19:45 - Commentaires […] - Permalien [#]

Tags: aigue-marine, Tanzanite, tourmalines vertes, Bague dôme, Tiffany and Co, Collier Goutte, tanzanites, Boucles d'oreilles Tanzanite Marine, Bracelet de rubans entrelacés

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3 décembre 2015

Kaminski Auctions December 13th Holiday Sale to feature Jewelry from the Estate of Ruth L. Harris

18K white gold, coral and diamond necklace and bracelet. EST: $20 000 - $25 000 BEVERLY, MASS .- Kaminski Auctions December 13th Holiday Auction presents an impressive array of fine jewelry including estate pieces from the collection of Ruth L. Harris...

Posté par Alain Truong à 11:11 - Commentaires […] - Permalien [#]

Tags: Lalique, Tanzanite, Sapphire and diamond ring, opal and diamond ring, aquamarine and diamond ring, “Chrysalide” vase

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7 octobre 2015

Tanzanite is trichroic and exhibits pronounced pleochroism. The colors respective to the three vibrational directions are sapphire-blue, sage green, and purple. Orientation is an important consideration for cutters who need to consider both the yield...

Posté par Alain Truong à 00:05 - Commentaires […] - Permalien [#]

Tags: Tanzanite

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19 mars 2015

Mikimoto Hyacinthia earrings

Mikimoto Hyacinthia earrings with baroque South Sea cultured pearls, tanzanite and diamonds. Baselworld 2015, 19 - 26 mars 2015

Posté par Alain Truong à 22:08 - Commentaires […] - Permalien [#]

Tags: Tanzanite, MIKIMOTO, Hyacinthia earrings, baroque South Sea cultured pearl

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12 août 2014

Tanzanite jewellery

Tiffany Peacock pendant featuring diamonds, aquamarines and a central tanzanite. Tiffany Anniversary platinum necklace, set with over 175ct of tanzanites, complemented by a cascade of round brilliant diamonds. Tiffany Anniversary platinum ring with a...

Posté par Alain Truong à 20:33 - Commentaires […] - Permalien [#]

Tags: Tiffany, Chaumet, Chopard, Pomellato, Tanzanite, Wallace Chan, Theo Fennell, Arunashi, Irene Neuwirth

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22 janvier 2014

Martin Katz jewelry

Martin Katz Pavé Teardrop & Rose-Cut Drop Earrings set in 18K white gold; 18 round rose-cut diamonds weighing 1.95 carats and microset with 128 diamonds weighing 1.04 carats. Photo courtesy of Martin Katz. Martin Katz Australian Black Opal and Diamond...

Posté par Alain Truong à 18:17 - Commentaires […] - Permalien [#]

Tags: Tanzanite, Black diamond, Imperial Topaz, Emerald Cabochon, Martin Katz, Cushion rose-cut diamond, Australian Black Opal

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29 décembre 2013

Tanzanite, Fluorite, Calcite, Stolzite, Apophyllite, Quartz, Stilbite

Apophyllite over Quartz and Stilbite Stolzite Fluorite, Calcite // Elmwood Mine, Smith County, Tennessee, USA Tanzanite Natural Gem Crystal.

Posté par Alain Truong à 12:13 - Commentaires […] - Permalien [#]

Tags: quartz, Tanzanite, fluorite, Calcite, Apophyllite, Stilbite, Stolzite

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2 octobre 2013

Very fine gemstone: large Tanzanite - 61.43 ct. Merelani Hills, Umba Valley, Lelatema Mountains, Arusha Region, Tanzania

Very fine gemstone: large Tanzanite - 61.43 ct. Merelani Hills, Umba Valley, Lelatema Mountains, Arusha Region, Tanzania. Photo courtesy Heritage Auctions Luscious is a term that comes to mind when looking at this Tanzanite. Other superlatives might be...

Posté par Alain Truong à 08:35 - Commentaires […] - Permalien [#]

Tags: Tanzanite

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