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TANZANITE SILVER PENDANT -FACETED [SJ2956]

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SEDA JEWLERY

TANZANITE SILVER PENDANT

This is a natural stone from Tanzania which has been faceted.

Bezel set

Quality workmanship.

Silver stamped 925

                                               Size of stone 13 x 10 mm app

Total weigh 13.63 cts app


This pendant has been inspected by our in house gemologist to be a natural Tanzanite.

We source all our tanzanite from one miner trader in Tanzanite.We also have cut stones and rough at www.gemrockauctions.com in sedagems and quality rough.

 

 

Tanzanite is an extraordinary gemstone. It occurs in only one place worldwide -Tanzair africa. Its blue, surrounded by a fine hint of purple, is a wonderful colour. Thanks to its unusual aura and the help of the New York jeweller's Tiffany, it has rapidly become one of the most coveted gemstones in the world.

Tanzanite is a blue variety of the gemstone zoisite. It consists of calcium aluminium silicate and is not particularly hard, having a value of 6.5 to 7 on the Mohs scale. For that reason, it should always be worn carefully and never placed in an ultrasonic bath for cleaning or brought into contact with acids.

The deep blue of the tanzanite is fantastic, and runs from ultramarine blue to light violet-blue. The most coveted colour is a blue surrounded by a delicate hint of purple, which has a particularly wonderful effect in sizes of over 10 carats. The well developed polychromaticity of the tanzanite is typical: depending on the angle from which you look at it, the stone may appear blue, purple or brownish-yellow. Having said that, most raw crystals are somewhat spoiled by a brownish-yellow component, though it can be made to disappear by the cutter if he heats the stone carefully in an oven to approximately 500°. During the procedure he must pay careful attention to the moment at which the colour turns to blue. This burning is a method of treatment which is regarded as customary in the trade, but the raw stones must be as free of inclusions as possible, since otherwise fissures may occur. In fact working with tanzanite can sometimes give even the most experienced cutter a bit of a headache, the cleavage of this gemstone being very pronounced in one direction. This exclusive gemstone is cut in every imaginable shape from the classical round shape to a number of imaginative designer cuts.

 

 

 

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sedagems
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
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The Verified Seller has provided accurate and complete information for this item including weight, dimensions, and treatment.

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Descripción general

Tipo de listado : Standard
ID del Producto : 559092
Empieza : 25th October 2024 04:35 pm PDT
* Todos los precios están en :moneda