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$33.00
Current Bid
1
Bids
Closed
11/06/2020 08:01 am
1
2134
5

33.31 CTS AMMOLITE ROUGH PARCEL SPECIMEN FROM CANADA F4776

SKU
Dimensions (mm)
x x mm
Weight (cts)
Certified Gemstones
No
Type
Rough
Colours

AMMOLITE FROM CANADA
PARCEL

This is a natural parcel of specimens  from  Canada that  is now ready for polishing or it can be kept as specimens.We have taken the  photo with the stones wet. They have been treated to stabilize them-refer to the notes below.You also have the option to treat with opticon or liquid glass-it can be a challenge to get a good finish so you need to spend some time and experiment also but the results can be stunning.

Top neon colours 

Weight of parcel 33.31 cts app

Size of largest piece  25 x 15 x 3 mm app

We have treated some by coating with liquid glass-you can see the result in the jewelery site under SEDAJEWELERY


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.

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 / 7 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

quality rough
quality rough
The owner Paul Sedawie is the current president of the Opal Association.All my life i have enjoyed collecting minerals and fossils .I have been opal mining and now have a large opalized fossil collection of museum quality.I enjoy visiting mines in different parts of the world and try to buy direct off the miner or as close to the source as possible to give you the best deals.Natural stones/minerals fascinate me so I don�t stock laboratory made stones.I have a few sites here which I head under the Seda group.I believe that your continued business is my business so I hope you enjoy the amazing array and beauty of nature I have to offer.Best Regards Paul Sedawie 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
8623 Feedback

  • swissgem
    swissgem
    Positive

    Paid and shipped - no feedback left after 100 days

  • tr3y003
    tr3y003
    Positive

    A+ seller great looking piece

  • kylea
    kylea
    Positive

    Paid and shipped - no feedback left after 100 days

  • chris47
    chris47
    Positive

    The stone is very beautiful. Im really looking forward to cut it. Its always a pleasure to make business with you

  • chris47
    chris47
    Positive

    The stone is very beautiful. Its always a pleasure to make business with you

  • chris47
    chris47
    Positive

    The stones are very beautiful. Im really looking forward to cut them. Its always a pleasure to make business with you

Bids History (1)
swissgem
Purchased from this seller previously
3 years ago
$32.00

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Shipping Details

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

Payment Options

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

Overview

Listing Type : Standard
Product ID : 412204
Starting Bid : $32
Starts : 10th June 2020 08:00 am AEST
Ends : 12th June 2020 01:01 am AEST
* All prices are in USD