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$451.00
Trenutna ponuda
1
Ponude
Zatvoreno
25/07/2024 03:15 pm

2.55 CTS TANZANITE FACETED TBM-351 Trueblueminerals

SKU
TBM-351
Dimenzije (mm)
11.000 x 9.000 x 5.000mm
Težina (cts)
2.550
Treatment
Heat Treatment
Shape
Pear
Tip
Faceted
Boje

TANZANITE

MERELANI HILLS TANZANIA

TREATMENT-HEAT

BLUE COLOUR

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.

PARENT COMPANIES: TRUEBLUEOPALS PTY LTD (AUSTRALIA ) AND LIGHTNINGOPAL LLC (USA)

Pružatelj usluge dostave Dostava u Australia Dostava u ostatak svijeta
Standard Shipping - Tracked $20.00 / :dani dani $30.00 / :dani dani
:zemlja
Standard Shipping - Tracked je snižen na $25.00 na narudžbe s 2 ili više artikala
Ostatak svijeta
Standard Shipping - Tracked je snižen na $30.00 na narudžbe s 2 ili više artikala
FedEx $40.00 / :dani dani $40.00 / :dani dani
:zemlja
FedEx je snižen na $40.00 na narudžbe s 2 ili više artikala
Ostatak svijeta
FedEx je snižen na $40.00 na narudžbe s 2 ili više artikala
DHL $30.00 / :dani dani $30.00 / :dani dani
Ostatak svijeta
DHL je snižen na $30.00 na narudžbe s 2 ili više artikala

trueblueminerals
trueblueminerals
rare large gemstones and minerals
:Grad drzava
Provjereno
:ukupne povratne informacije

  • peketrain
    peketrain
    Pozitivan

    Very pleased with the specimen and transaction

  • setillia
    setillia
    Neutralan

    Responsive seller, which is appreciated. Lovely gem. The only issue was with shipping. I paid for post but it was sent via Fedex. Fedex (of course) charged me illegal fees over a month after delivery! This was why I chose post and not Fedex.

  • bainesrh
    bainesrh
    Pozitivan

    Beautiful gemstone

  • olga22220
    olga22220
    Pozitivan

    Paid and shipped - no feedback left after 100 days

Povijest ponuda (1)
pantalones
Prethodno kupljen od ovog prodavatelja
prije 3 mjeseca
$450.00

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Detalji dostave

dostava:
$30.00 14 days putem Standard Shipping - Tracked
Brodovi iz:
Australia

Načini plačanja

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Pregled

Vrsta unosa : Standard
Identifikacijski broj proizvoda : 2506004
Procijenjeni RRP : $1,300.00
Početna ponuda : $450
Počinje : 18th July 2024 04:05 pm PDT
Završava : 25th July 2024 03:15 pm PDT
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