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      $500.00 USD
      Prezzo consigliato al pubblico $1,500.00

      10 CTS ALEXANDRITE ROUGH PARCEL RG-4260 raregems

      1815
      2

      SKU
      RG-4260
      Dimensioni (mm)
      4.960 x 4.880 x 3.170mm
      Peso (cts)
      10.000
      Treatment
      No Treatment
      Tipo
      Rough
      Colori


      ALEXANDRITE ROUGH   colour change


      TANZANIA-MANGHOLA DUMAWANGA DISTRICT ARUSHA REGION


      NICE GREEN CHANGES TO PURPLE/RED

      IDEAL FOR CABBING 

      TREATMENT-NONE 

      TOTAL PARCEL WEIGHT: 10 CARATS APPROXIMATELY  

      TOTAL NUMBER OF PIECES:  20 

      LARGEST PIECE :  4.96 X  4.88 X  3.17 APPROXIMATELY 

      SMALLEST PIECE: 4.61 X 2.76 X 2.42 APPROXIMATELY



      This rare gemstone is named after the Russian tsar Alexander II (1818-1881), the very first crystals having been discovered in April 1834 in the emerald mines near the River in the Urals. The discovery was made on the day the future tsar came of age. Although alexandrite is a relatively young gemstone, it certainly has a noble history. Since it shows both red and green, the principal colours of old Imperial Russia, it inevitably became the national stone of tsarist Russia.

      Alexandrite is very scarce: this is due to its chemical composition. It is basically a chrysoberyl, a mineral consisting of colourless or yellow transparent chrysoberyl, chrysoberyl cat’s eye and colour-changing alexandrite (also in cat’s eye varieties). It differs from other chrysoberyls in that it not only contains iron and titanium, but also chromium as a major impurity. And it is this very element which accounts for the spectacular colour change. Rarely, vanadium may also play a part. According to CIBJO nomenclature, only chrysoberyls displaying a distinct change of colour may be termed alexandrite.


      TRADING AS TRUEBLUEOPALS / LIGHTNINGOPALS LLC

      Fornitore di spedizioni Spedizione a Australia Spedizione nel resto del mondo
      Standard Shipping - Tracked $19.00 / 7 giorni $30.00 / 14 giorni
      Australia
      Standard Shipping - Tracked è scontato a $19.00 sugli ordini con 2 o più articoli
      Resto del mondo
      Standard Shipping - Tracked è scontato a $30.00 sugli ordini con 2 o più articoli
      FedEx $39.00 / 4 giorni $40.00 / 4 giorni
      Australia
      FedEx è scontato a $39.00 sugli ordini con 2 o più articoli
      Resto del mondo
      FedEx è scontato a $40.00 sugli ordini con 2 o più articoli
      DHL $19.00 / 2 giorni $30.00 / 14 giorni
      Resto del mondo
      DHL è scontato a $30.00 sugli ordini con 2 o più articoli

      raregems
      raregems, all rough
      Mermaid Beach , Australia
      Verificato
      3624 feedback

      • solusinexistentia
        solusinexistentia
        Positivo

        Great quality and price! Item arrived on time. Will purchase from seller again.

      • solusinexistentia
        solusinexistentia
        Positivo

        Good experience with seller. Items arrived on time and as described for a good price.

      30%
      Codice coupon 30
      Valido fino a
      1st Mar 2025

      Verifica

      Questo prodotto è stato verificato da Gemstone Sheriff e hanno riscontrato quanto segue:
      • Descrizione Preciso
      • Immagini accurate

      Comments

      The Verified Seller has provided accurate and honest pictures and details for this listing. Gem Rock Auctions is committed to holding our sellers to the highest standards of integrity and transparency. As part of this policy, we only permit the sale of natural, earth mined, gemstones. Many Gemstones have received treatments to enhance their color or clarity to further emphasize their beauty and we insist treatments are disclosed. Manmade, synthetic, and imitation gemstones are not permitted on Gem Rock auctions.

      Questa verifica è stata richiesta 1 settimana fa
      Ultimo aggiornamento 1 settimana fa

      Dettagli di spedizione

      Spedizione:
      $30.00 14 giorni tramite Standard Shipping - Tracked
      Spedizioni da:
      Australia

      Opzioni di pagamento

      • stripe
      Questo venditore aggiunge 0.00% tax alle transazioni in Australia .

      Panoramica

      Tipo di elenco : Standard
      Codice prodotto : 2028647
      Inizia : 7th February 2025 07:06 pm PST
      * Tutti i prezzi sono in USD