THE PREMIER MARKETPLACE FOR REAL GEMS
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      $45.00 USD
      Geschatte adviesprijs $130.00

      2.50 CTS TANZANITE CARVING PG-348

      1742
      6

      SKU
      Afmetingen (mm)
      9.000 x 9.000 x 3.000mm
      Gewicht (cts)
      2.500
      Type
      Carved
      Kleuren

      TANZANITE 

      MERELANI HILLS TANZANIA
      CARVING

      TREATMENT-NONE

      RARE COLLECTOR PC, NATURAL CLEAR CRYSTAL TANZANITE

      ROYAL BLUE RICH PURPLE 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.

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      preciousgems
      preciousgems
      wholesaler quality stones- TRADING SINCE 1995----All items are shipped from our Australian Head Office
      Mermaid Beach , United States of America
      Geverifieerd
      3318 feedback

      • sapphireandemerald
        sapphireandemerald
        Positief

        12/2/2024 - arrived today and they were in good conditions and the blue is amazing. IM very happy with the order

      • sapphireandemerald
        sapphireandemerald
        Positief

        12/2/2024 - arrived today and they were in good conditions and the blue is amazing.

      • orestesg
        orestesg
        Positief

        Paid and shipped - no feedback left after 100 days

      • nicolasvanb
        nicolasvanb
        Positief

        Paid and shipped - no feedback left after 100 days

      30%
      Coupon code Gift
      Geldig tot
      1st Jan 2025

      Audit

      Met het Gemstone Sheriff -programma kunnen onze leden een audit voor elk product aanvragen. Deze audit wordt uitgevoerd door een onafhankelijke Gemologist die de nauwkeurigheid van de artikelbeschrijving en afbeeldingen beoordeelt.

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      Overzicht

      Vermeldingstype : Standard
      Product-ID : 1342536
      Begint : 18th December 2024 06:56 pm PST
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