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$18.00 USD
Prezzo
3755
2

3.3 CTS NEON BRIGHT AMMOLITE DOUBLET [MGW4462]

SKU
Dimensioni (mm)
19.000 x 9.000 x 3.000mm
Peso (cts)
3.300
Colori

AMMOLITE DOUBLET FROM CANADA

This is a neon bright natural stone that was thin so we mounted it on a stronger backing so its called a doublet. The stone that has been stabilized and resin added to give a top polished look [this prevents the stone from lifting off its natural backing.]and is now ready for setting. The reflection you see on the stone is from the lights we use to take the photo.

Ammolite is a rare and valuable opal-like organic gemstone found primarily along the eastern slopes of the Rocky Mountains of the United States and Canada. It is made of the fossilized shells of ammonites, which in turn are composed primarily of aragonite, the same mineralthat makes up nacreous pearls.

An iridescent opal-like play of color is shown in fine specimens, mostly in shades of green and red; all the spectral colors are possible, however. The iridescence is due to the microstructure of the aragonite: unlike most other gems, whose colors come from light absorption, the iridescent color of ammolite comes from interference with the light that rebounds from stacked layers of thin platelets that make up the aragonite. The thicker the layers, the more reds and greens are produced; the thinner the layers, the more blues and violets predominate. Reds and greens are the most commonly seen colors, owing to the greater fragility of the finer layers responsible for the blues.

Treatments Although fully mineralized and containing no water—and therefore not subject to dehydration and subsequent crazing—ammolite is often damaged due to environmental exposure. The thin, delicate sheets in which ammolite occurs are also problematic; for these reasons, most material is impregnated with a clear epoxy or other synthetic resin to stabilize the flake-prone ammolite prior to cutting. Although the tessellated cracking cannot be repaired, the epoxy prevents further flaking and helps protect the relatively soft surface from scratching.

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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.
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  • royrock
    royrock
    Positivo

    Beautiful agate piece , and as always fast efficient service from Sedagems

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Il programma Gemstone Sheriff consente ai nostri membri di richiedere un audit su qualsiasi prodotto, che è completato da una :qualificazione indipendente che valuta l'accuratezza della descrizione e delle immagini dell'articolo.

Dettagli di spedizione

Spedizione:
$16.00 :conta i giorni tramite Registered Shipping
Spedizioni da:
Australia

Opzioni di pagamento

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Questo venditore aggiunge 10.00% tax alle transazioni in Australia.

Panoramica

Tipo di elenco : Standard
Codice prodotto : 445924
Inizia : 7th November 2024 08:00 pm PST
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