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03/01/2021 12:06 am

7.5 SIZE CRYSTAL OPAL TANZANITE SILVER RING [SOJ4283]

UGS
Dimensions (mm)
9.000 x 5.000 x 4.000mm
Poids (cts)
12.700
Couleurs

SEDA OPAL JEWELERY

DOUBLET OPAL AND TANZANITE RING

FACTORY DIRECT

This is a ring with a natural Tanzanite as the main stone with two natural crystals doublets from Coober pedy set on the sides. The Tanzanite stones i bought when i was at the Arusha gem show in Tanzania recently .This stone is very well cut.

This stone has been confirmed by our in house gemologist.{AIGS}

The workmanship and quality is excellent.

Sterling silver

Stamped 925

Amount of silver used gramms app

Size of opal 5X4 mm app

Size of Tanzanite 9X5 mm app

Weight of Tanzanite 0.98 cts app

Ring size[USA] :

The size below is the tanzanite -weight and size is approximate.

Opal Body Tone Scale as per recommendation by the Australian Opal and Gem Industry Association Ltd.

TANZANITE

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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sedaopalsjewelery
sedaopalsjewelery
The owner Paul Sedawie is the current president of the Opal Association. and a member of the International coloured stone Association.All my life i have enjoyed collecting minerals and fossils .I had a factory in asia so a lot of the jewelery listed here is from there.I have been opal mining and now have a large opalized fossil collection of museum quality..I have a few sites here which I head under the Seda group.I believe that your continued business is my business so I hope you enjoy the amazing array and beauty of nature I have to offer.Best Regards Paul Sedawie We have a retail shop/museum at the Gold Coast Opal and Gem Centre 25 surfers av mermaid waters Qld Australia .4218 open mon to sat 10 to 5
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  • daysopal
    daysopal
    Positif

    I just love my new earrings! The opals are gorgeous and they're the perfect size for every day wear! Incredibly fast shipping and lovely packaging thank you so much!

  • dandan2019
    dandan2019
    Positif

    The beads are beautiful and package is good. Thank you for the gift :)

Historique des enchères (1)
moonkist
Acheté auprès de ce vendeur précédemment
il y a 3 ans
$42.00

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Les détails d'expédition

Expédition:
$16.00 :compter les jours via Registered Shipping
Expédié depuis:
Australia

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Aperçu

Type d'inscription : Standard
Identifiant du produit : 477298
Enchère de départ : $44
Départs : 2nd January 2021 09:45 am AEST
Prend fin : 3rd January 2021 06:06 pm AEST
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