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$33.00
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1
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Cerrado
23/10/2020 01:17 pm
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3592
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31 CTS PINK OPAL-AUSTRALIA [VS6603 ]

SKU
Dimensiones (mm)
35.000 x 24.000 x 6.000mm
Peso (cts)
32.000
Tipo
Cabochon
Colores

PINK OPAL -AUSTRALIA

This is a natural untreated stone well polished and ready for setting. It has interesting white potch lines in it

This is what the West Australian mine dept says about Pink Opal

The size below is for the largest piece in the parcel-all weights and sizes are approximate.

Pink opal
‘Pink opal’ is a prospectors’ name applied to a different
variety of mookaite that outcrops as a persistent bed of
extremely bright pink opalized radiolarite near Binthalya.
At this site, pink opal is present as a dominant, horizontal
bed within zones of coloured porcellanites located beneath
a surface-brecciated zone in which angular fragments of
pink porcellanite have been cemented by iron and silica
solutions to produce an attractive pink breccia. The pink
zone beneath has already been tested by trial mining to
ascertain the extent and consistency of the pink, opalized
material.

Examination of pink opal thin sections has confirmed
the rock is radiolarite with a dominantly isotropic, finegrained
mineral composition. Although not verified by
XRD analysis, the pink opal’s physical and visible optical
properties suggest it is predominantly opaline silica,
having a lower bulk density than the locally porcellanized
mookaite material. Pink opal commonly shows liesegang
banding and often contains small vugs and fine fractures
infilled with microcrystalline quartz. Microscopic,
lustrous grains within the rock result from reflections of
granular quartz where it has infilled pores and replaced
radiolarian structures.
In a manner similar to the origin of mookaite, the resilicification
of the Windalia Radiolarite forming the pink
opal porcellanite has resulted in a visually attractive, bright
pink material displaying a high vitreous lustre. Pink opal
is extremely hard and brittle with a conchoidal fracture
. These properties allow pink opal
to take a high polish, making it suitable for the production
of colourful, polished tumbled stones, cabochons, and
other artworks .

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volcanicopals
volcanicopals
VOLCANIC OPALS is run by Paul sedawie of Seda Opals.The Seda Opal company was incorporated in 1994.The owner Paul sedawie is the current president of the OPAL ASSOCIATION INC .Seda Opals is an abbreviation from our surname Sedawie. The business is mainly wholesale and it is through this site that we can bring the opal fields and the bargins direct to you. Paul Sedawie started mining at the Four mile field in Lightning Ridge in 1986 with his first partner Bob Young. It took them 6 months to find a decent stone and this experience gave me a healthy respect for the stone and how hard it is to find. Previous to mining opal, Paul ran a successful mail order business in plants for 7 years which gave him a lot of experience servicing customers through parcel post. We use mainly Australia post as it has a excellent reputation for delivery to most parts of the world. I don't do any active mining now but my eldest son Peter Sedawie has taken over. This leaves me free to travel to any opal field in the world and to enjoy the beauty of this magnificent stone. We hope you enjoy our stock and good luck with your biding We have a retail shop/museum at the Gold Coast Opal and Gem Centre 25 surfers av mermaid waters Qld Australia .4218 open mon to sat 10 to 5
:Ciudad, País
Verificado
5970 de comentarios

  • moss
    moss
    Positivo

    Excellent thank you

  • rreissne
    rreissne
    Positivo

    Thank you for the nice stone!

  • rreissne
    rreissne
    Positivo

    Thank you for the nice stones!

  • rreissne
    rreissne
    Positivo

    Thank you for the nice stone!

Historial de ofertas (1)
frances11
Comprado a este vendedor anteriormente
hace 3 años
$32.00

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Se envía desde:
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Descripción general

Tipo de listado : Standard
ID del Producto : 511848
Precio inicial : $32
Empieza : 23rd October 2020 01:20 pm AEST
Finaliza : 24th October 2020 06:17 am AEST
* Todos los precios están en :moneda