1.9M+ REVIEWS | 500+ NEW OPALS DAILY |

You have not bid on this auction.

$30.00
Current Bid
1
Bids
Closed
27/09/2017 05:41 am
1
3172
4

20.75 CTS A GRADE GREEN OPAL [PRASE OPAL] TANZANIA [VS5736 ]

SKU
Dimensions (mm)
28.000 x 19.000 x 11.000mm
Weight (cts)
21.000
Type
Specimen
Colours

header main

GREEN OPAL

This is a natural untreated rough piece of green opal i purchased on my last trip to Tanzania.Production is very limited of this material.This material hasnt not been touched as is this is how it comes out of the mines.

Weight 20.75 cts app

Size 27.7x 18.7x11 mm app

This material can be cabachoned,faceted or made into carvings.

Prase opal is a nickel-bearing variety of common opal, with nickel being the chromophore that illuminates the neon bluish-green hue. Chrysoprase and prase opal can be similar in appearance but can easily by separated by varying RI and SG. Both varieties range from low-quality opaque material to high-quality translucent jewels; however, the prase opal tends to be more translucent and gemmy. 

Chrysoprase and prase opal have been mined on Iyobo Mountain in central Tanzania for more than 20 years, with the first accounts being described by Gübelin in 1975. The most recent discovery revealed some of the most intense and beautiful bluish green material to be seen by the gem trade. The majority of the production is in the chrysoprase form, while the prase opal is the more rare find from this deposit. Chrysoprase and prase opal both form in discontinuous veins within metamorphosed ultramafic rocks with the most dominant host rock being altered serpentine.

Shipping provider Shipping to Australia Shipping to rest of world
FedEx $12.00 / 3 days $39.00 / 10 days
Australia
FedEx is discounted to $12.00 on orders with 2 or more items
Rest of the world
FedEx is discounted to $39.00 on orders with 2 or more items
Registered Shipping $9.00 / 21 days $16.00 / 21 days
Australia
Registered Shipping is discounted to $9.00 on orders with 2 or more items
Rest of the world
Registered Shipping is discounted to $16.00 on orders with 2 or more items

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
Lightning Ridge, Australia
Verified
5970 Feedback

  • ceridwyn
    ceridwyn
    Positive

    Beautiful shade, going to be a steep learning curve to cut! Thank you.

  • moss
    moss
    Positive

    Excellent thank you

  • rreissne
    rreissne
    Positive

    Thank you for the nice stone!

  • rreissne
    rreissne
    Positive

    Thank you for the nice stones!

  • rreissne
    rreissne
    Positive

    Thank you for the nice stone!

Bids History (1)
ceridwyn
Purchased from this seller previously
6 years ago
$29.00

Why are users outbidding themselves?

When a bid is placed, this is the maximum amount a user is willing to bid for the product. Our system will then automatically bid on that users behalf, incrementally increasing the bid to maintain their position as the highest bidder, up to the specified maximum.

When there is an icon indicating 'Auto Bid,' it means our system is actively placing bids for the user based on their maximum bid. This may appear as if users are outbidding themselves, but it's simply a result of the system updating the bid to reflect the users maximum limit.

Audit

The Opal Sheriff program allows our members to request an audit on any product, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

Shipping Details

Shipping:
$16.00 21 days via Registered Shipping
Ships from:
Australia

Payment Options

  • paypal
This seller adds 10.00% tax to transactions in Australia.

Overview

Listing Type : Standard
Product ID : 314796
Starting Bid : $30
Starts : 24th September 2017 01:03 pm AEST
Ends : 27th September 2017 10:41 pm AEST
* All prices are in USD