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16.80 CTS FIERY CABOCHON SUNSTONE FROM TANZANIA [STS1096]

4359
23

SKU
Dimensioni (mm)
11.000 x 9.000 x 4.000mm
Peso (cts)
16.800
Colori

SEDA GEMS

SUNSTONE STONE

 

This is a natural untreated stone from Tanzania Africa showing the firey flash it is known for.

Weight  cts app

Size    mm app

 Sunstone contains inclusions of copper crystals. Sunstone can be found as large as three inches across. The copper leads to varying color within some stones, where turning one stone will result in multiple colors. The more copper within the stone, the darker the complexion

Note -If you would like some  quality  rough material visit our sister site QUALITY ROUGH

Sunstone is a plagioclase feldspar, which when viewed from certain directions exhibits a brilliant spangled appearance; this has led to its use as a gemstone. It has been found in Southern Norway,tanzania and in some United States localities. It is the official gemstone of Oregon.

GRADING The first factor in grading is the amount of Schiller[a sub -surface iridescent shimmer]The more schiller the less the stone reflects and shimmers as it blocks suns rays.The next grade is for colour as it can be found in red ,green.yellow,pink and orange.

Sunstone with high amounts of schiller are great for carvings.

The optical effect appears to be due to reflections from enclosures of red haematite, in the form of minute scales, which are hexagonal, rhombic or irregular in shape, and are disposed parallel to the principal cleavage-plane. These enclosures give the stone an appearance something like that of aventurine,  whence sunstone is known also as “aventurine-feldspar.” The optical   effect called shiller and the color in Oregon Sunstone is due to copper.  In the middle part of this crystal, it sparks a lot, and usually has a   dark color in the middle, and the color becomes lighter as it becomes   the outer part.

Fornitore di spedizioni Spedizione a Australia Spedizione nel resto del mondo
FedEx $12.00 / 3 giorni $39.00 / 10 giorni
Australia
FedEx è scontato a $12.00 sugli ordini con 2 o più articoli
Resto del mondo
FedEx è scontato a $39.00 sugli ordini con 2 o più articoli
Registered Shipping $9.00 / 7 giorni $16.00 / 21 giorni
Australia
Registered Shipping è scontato a $9.00 sugli ordini con 2 o più articoli
Resto del mondo
Registered Shipping è scontato a $16.00 sugli ordini con 2 o più articoli

sedagems
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
Mermaid Waters , Australia
Verificato
19054 feedback

  • martin11
    martin11
    Positivo

    Great thank very much, lovely pearls.

  • philsgems
    philsgems
    Positivo

    Nice piece of rough. thankyou

  • philsgems
    philsgems
    Positivo

    Nice stone. Thankyou

  • philsgems
    philsgems
    Positivo

    Have received the rough. Nice colour. Thankyou

  • ryumaru
    ryumaru
    Positivo

    Beautiful ametrine. Very fast delivery. Professional seller

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2nd Jan 2025

Verifica

Il programma Gemstone Sheriff consente ai nostri membri di richiedere un controllo su qualsiasi prodotto, che viene completato da un Gemologist indipendente che valuta l'accuratezza della descrizione e delle immagini dell'articolo.

Dettagli di spedizione

Spedizione:
$16.00 21 giorni tramite Registered Shipping
Spedizioni da:
Australia

Opzioni di pagamento

  • paypal
  • stripe
Questo venditore aggiunge 10.00% tax alle transazioni in Australia .

Panoramica

Tipo di elenco : Standard
Codice prodotto : 738314
Inizia : 19th December 2024 09:14 pm PST
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