Item Information

Dimensions (mm) not provided
Weight (carats) 94 carats
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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 94 cts app
size 46x 24x9  mm app

1d 11h 22m 46s

Buy Now $15.00
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21 Days via Standard Shipping
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Pricing & Details

Bid Increment $1.00
Starting Bid $15.00
Auction ID 174149
Watchers 4 watching
Viewed 362 times
Starts 21st Oct 2016 4:03am PDT
Ends 24th Oct 2016 4:00am PDT

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