YOWA ROUGH 21.9 CTS [BY1153 ]

Item Information

Dimensions (mm) 22 x 17 x 8.5mm
Weight (carats) 21.9 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 21.9 cts app
size 22x 17x8.5  mm app
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$5 bret
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Pricing & Details

Bid Increment $1
Starting Bid $5
Auction ID 174747
Watchers 10 watching
Viewed 1,577 times
Starts 5th Feb 2018 4:00am PST
Ends 6th Feb 2018 7:48pm PST

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About Seda Rough Opals