YOWA ROUGH [BY963 ]

物品信息

尺寸(mm) 53 x 20 x 8毫米
重量(克拉) 92 克拉
处理...
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 92 cts app
size 53x 20x8  mm app
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 92 cts app
size 53x 20x8  mm app
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$11.00 USD

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定价和细节

拍卖ID 736815
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152次
启动 3rd Oct 2018 10:38am PDT

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