KOROIT -ROUGH-RICH CHOCOLATE 90.95 CTS [BY 1833]

Item Information

Dimensions (mm) 37 x 34 x 8mm
Weight (carats) 91 carats
Colors
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KORIOT ROUGH
This is a natural koriot rough that we have sawn open to expose the colour. The precious opal is embedded in the host rock.This material may have natural holes in it and the sandy areas are hard to polish.You may polish it naturally or in asia the cutters rub fine boulder ironstone [you can collect this in the cutting machine tray by grinding some material away and allow to dry]. They then rub this powder in to the rough and heat it up.Then they apply super glue to it and polish.This gives a good glossy finish.
They are also ideal as specimens natural or polished
 
Weight 90.95 cts app
size 37 x 34 x 8 mm app

3d 20h 51m 9s

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Pricing & Details

Bid Increment $1.00
Starting Bid $29.00
Auction ID 230431
Watchers 2 watching
Viewed 616 times
Starts 17th Jul 2017 10:43pm PDT
Ends 24th Jul 2017 10:40pm PDT

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