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36.30 CTS 18X12 MM PINK OPAL-MOOKAITE-AUSTRALIA [STS134 ]

4285
2

SKU
Afmetingen (mm)
18.000 x 12.000 x 6.000mm
Gewicht (cts)
36.300
Kleuren

PINK OPAL PARCEL -AUSTRALIA

This is a natural untreated parcel well polished and ready for setting. These stone are calibrated[all the same size ] so they will fit standard jewelery saving you on cost.

There is interesting white potch lines in it.

The weight is for the whole parcel.

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

.

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 .

All weights and sizes below are approximate

Verzend provider Verzending naar Australia Verzending naar de rest van de wereld
FedEx $12.00 / 3 $39.00 / 10
Australia
FedEx krijgt korting op $12.00 bij bestellingen met 2 of meer artikelen
Rest van de wereld
FedEx krijgt korting op $39.00 bij bestellingen met 2 of meer artikelen
Registered Shipping $9.00 / 7 $16.00 / 21
Australia
Registered Shipping krijgt korting op $9.00 bij bestellingen met 2 of meer artikelen
Rest van de wereld
Registered Shipping krijgt korting op $16.00 bij bestellingen met 2 of meer artikelen

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
Geverifieerd
19054 feedback

  • martin11
    martin11
    Positief

    Great thank very much, lovely pearls.

  • philsgems
    philsgems
    Positief

    Nice piece of rough. thankyou

  • philsgems
    philsgems
    Positief

    Nice stone. Thankyou

  • philsgems
    philsgems
    Positief

    Have received the rough. Nice colour. Thankyou

  • ryumaru
    ryumaru
    Positief

    Beautiful ametrine. Very fast delivery. Professional seller

5%
Coupon code SEDADEALS
Geldig tot
2nd 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.

Verzendgegevens

Verzenden:
$16.00 21 dagen via Registered Shipping
Schepen van:
Australia

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Overzicht

Vermeldingstype : Standard
Product-ID : 540258
Begint : 9th December 2024 08:35 pm PST
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