YOWA ROUGH 84 CTS [BY793 ]

Item Information

Dimensions (mm) not provided
Weight (carats) 84 carats
Colors
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YOWA ROUGH
This is a natural piece of yowa rough that 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 .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.
 
Weight 84 cts app
size 33x 25x9  mm app

1d 18h 8m 57s

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Pricing & Details

Bid Increment $1.00
Starting Bid $23.00
Auction ID 173903
Watchers 1 watching
Viewed 601 times
Starts 27th May 2017 1:03am PDT
Ends 29th May 2017 1:00am PDT

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