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$25.00
Current Bid
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Bids
Closed
16/03/2022 06:33 pm
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13.9 CTS GREEN OPAL ROUGH TANZANIA DT-3139

SKU
Dimensions (mm)
24.300 x 21.600 x 7.800mm
Weight (cts)
13.900
Type
Rough
Colours

PRASE GREEN OPAL ROUGH

This is a natural parcel of untreated rough pieces of green opals I purchased on my last trip to Tanzania.Production is very limited of this material. These opals have not been touched in any way. And this is how it comes out of the mines.

This material can be cabochon,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.

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Australia
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Rest of the world
DHL is discounted to $30.00 on orders with 2 or more items

dreamtimeopals
dreamtimeopals
sally Patel and natassa Patel have been in business for 35 years trueblueopal us family owned company Lightningopals llc is USA based sister branch of trueblueopals, we wholesale top opals from all opal fields , working with mining partner's like David Darby of yowah we specialize in investmentopals , and work with auction houses as well , sally has held several positions in opal association and is current treasurer we are members of ica and Agta and American opal society and Lrma other family members are also selling on opalauctions with over 20 stores catering from rough cut fossil beads specimens carvings and more
Mermaid Beach, Australia
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11300 Feedback

  • slade
    slade
    Positive

    Paid and shipped - no feedback left after 100 days

  • jensensgems
    jensensgems
    Positive

    Already working on this. Going to look good.

  • jensensgems
    jensensgems
    Positive

    Very nice, thanks. Prompt delivery

Bids History (1)
slade
Purchased from this seller previously
2 years ago
$24.00

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Shipping Details

Shipping:
$30.00 14 days via Standard Shipping - Tracked
Ships from:
Australia

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Overview

Listing Type : Standard
Product ID : 780652
Estimated RRP : $90.00
Starting Bid : $28
Starts : 15th March 2022 08:04 pm PDT
Ends : 16th March 2022 06:33 pm PDT
* All prices are in USD