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$72.00
Current Bid
1
Bids
Closed
26/11/2018 06:15 am
1
2778
18

VERY NICE PAIR OF NATURAL RUBIS 2,33CTS

SKU
Dimensions (mm)
7.300 x 5.300 x 3.200mm
Weight (cts)
2.330
Colours

IMPORTANT NOTE: This item contains fissure filled cavities that may contain glass, cobalt, or other materials. Due to the presence of these materials, this item should be referred to as a composite stone.

This is a nice pair of natural rubis from mozambique…8x6mm and 3,81cts…Eye clean..Heat and filled.

For explanation of filled ruby Small cracks or fractures in a gemstone can interrupt the flow of light through the stone, creating white or “dead” spots in the color of the stone. Sometimes these fractures–if they reach the surface of the stone–will be filled with material that will allow the light to pass through smoothly. The process of fracture filling ruby with transparent lead glass is a recent innovation that began about 2004 in Chanthaburi, Thailand. Rubies of good color, primarily from Madagascar, that are disfigured by fissures or surface cracks can be “repaired” using heat treatment with lead glass. The refractive index of corundum and lead glass are very similar, allowing light to travel through the stone, improving the color and clarity. These rubies are often found in large sizes at a fraction of the cost of untreated ruby of similar color. So they represent an excellent value in the market, so long as the treatment is disclosed and the price is appropriate.

The Asian Institute of Gemology tested fractured filled rubies for durability and found them to be more durable than a typical emerald fracture-filled with oil or resin. AIGS advised against excessive heating with a jeweler’s torch, but found no negative effects from cleaning with detergents or ultrasonic devices. They advise that hydrofluoric acid should not be used on these gems, and that any recutting or repolishing should be performed with care.

led

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Rest of the world
Standard Shipping - Tracked is discounted to $10.00 on orders with 4 or more items
Registered Shipping $8.00 / 7 days $8.00 / 21 days
France
Registered Shipping is discounted to $8.00 on orders with 4 or more items
Rest of the world
Registered Shipping is discounted to $8.00 on orders with 4 or more items

jeanclaude
jeanclaude
stones from the world to quality
Nantes, France
Verified
1335 Feedback

  • knot
    knot
    Positive

    Really very nice. Thank you Jeanclaude!

  • kokoruda4i
    kokoruda4i
    Positive

    The magnifier was defective but the company reimbursed all of my costs including shipping so I was happy working with this seller .

  • ikerdkarl
    ikerdkarl
    Positive

    Paid and shipped - no feedback left after 100 days

Bids History (1)
knot
Purchased from this seller previously
5 years ago
$71.00

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Shipping Details

Shipping:
$10.00 21 days via Registered Shipping
Ships from:
France

Payment Options

  • paypal

Overview

Listing Type : Standard
Product ID : 407434
Starting Bid : $90
Starts : 18th November 2018 11:00 pm AEST
Ends : 27th November 2018 12:15 am AEST
* All prices are in USD