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$37.00
Current Bid
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23/12/2017 05:35 pm
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8.5 RING SIZE TANZANITE SILVER RING CLUSTER [SJ2773]

SKU
Dimensions (mm)
x x mm
Weight (cts)
Ring Size
8.5
Colours

SEDA JEWLERY

TANZANITE RING

This is a natural stone from Tanzania which has been heated to improve its colour

Ring size: 8.5 USA.

Prong set

Quality workmanship.

Silver stamped 925

Weight stone 0.75 cts app

Size of stone 6 x 4 mm app

Total weigh 12.78 cts app

Made in india

This ring 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.

RING SIZES

 

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Rest of the world
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Registered Shipping $9.00 / 7 days $16.00 / 21 days
Australia
Registered Shipping is discounted to $9.00 on orders with 2 or more items
Rest of the world
Registered Shipping is discounted to $16.00 on orders with 2 or more items

sedajewelery
sedajewelery
Mermaid Beach, Australia
Verified
915 Feedback

  • gravity
    gravity
    Positive

    as pictured, older ring has some tarnish but easy fix for silver setting, good fit, happy with purchase

  • pumba
    pumba
    Positive

    Paid and shipped - no feedback left after 100 days

Bids History (1)
uludjobul
Purchased from this seller previously
6 years ago
$36.00

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Shipping Details

Shipping:
$16.00 21 days via Registered Shipping
Ships from:
Australia

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Overview

Listing Type : Standard
Product ID : 560510
Estimated RRP : $154.00
Starting Bid : $44
Starts : 22nd December 2017 03:00 pm AEST
Ends : 24th December 2017 11:35 am AEST
* All prices are in USD