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tanzanite
9 avril 2017

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

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...
19 mai 2016

Large and Impressive Tanzanite, Tanzania

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...
23 avril 2016

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

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...
3 décembre 2015

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

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...
7 octobre 2015

Tanzanite

Tanzanite
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...
19 mars 2015

Mikimoto Hyacinthia earrings

Mikimoto Hyacinthia earrings
Mikimoto Hyacinthia earrings with baroque South Sea cultured pearls, tanzanite and diamonds. Baselworld 2015, 19 - 26 mars 2015
12 août 2014

Tanzanite jewellery

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...
22 janvier 2014

Martin Katz jewelry

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...
29 décembre 2013

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

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.
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
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...
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