YOWA ROUGH 39.9 CTS [BY1160]

Item Information

Dimensions (mm) 34 x 19 x 7.5mm
Weight (carats) 39.9 carats
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 39.9 cts app
size 34x 19x7.5  mm app


1 bid placed so far
$5.00 grandmahoppy
3rd Jun 2017 1:58am PDT
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Pricing & Details

Bid Increment $1.00
Starting Bid $5.00
Auction ID 174754
Watchers 2 watching
Viewed 751 times
Starts 30th May 2017 5:03am PDT
Ends 3rd Jun 2017 1:58am PDT

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About Seda Rough Opals