Grade B Yowah Opal Rough 52.4 CTS [RYB963]
YOWAH ROUGH OPAL
THIS IS A SLICE OF YOWAH MATERIAL WITH ENOUGH THICKNESS, THE COLOUR AND PATTERN IS WHAT YOU WILL SEE ON THE PICTURES.THEY LOOK MUCH BETTER UNDER SUNLIGHT. DIFFERENT GRADE STONES ALL HAVE BEEN CUT AS SAMPLE. IT COMES OUT FROM A GOOD PARCEL.
THE PICTURES WERE TAKEN WHEN IT'S BEEN WET.
SIZE 23.6X22.3X9.4 MM APPROX
WEIGHT: 52.4 CTS APPROX
HALF PRICE SHIPPING COST IF PURCHASE MORE THAN FOUR ITEMS IN ONE ORDER.
GRADE A: THE COLOUR OF OPAL IS BRIGHT ,SURROUNDING MATERIAL IS DARK COLOURED IRONSTONE, PATTERN IS INTERESTING.
GRADE B: THE OPAL COLOUR IS BRIGHT, SOMEHOW THE PATTERN AND SURROUNDING MATERIAL IS NOT THAT INTERESTING OR HARDNESS IS NOT AS IRONSTONE. ALL THESE KIND OF MATERIAL STILL BE ABLE TO CUT A GOOD STONE OUT OF IT . GOOD COMMERICAL STONE.
GRADE C: THESE KIND OF MATERIAL NEED CUTTING WITH CARE. ESPIALLY WHEN YOU POLISH THEM, YOU NEED A LITTLE BIT EXPERIENCE OR SKILL, STILL BE ABLE TO CUT A STONE. SOMETIMES EVEN A VERY GOOD STONE WITH SURPRISE.
GRADE D: NEED TO BE TREATED THEN CUT OR YOU HAVE TO BE VERY CAREFULLY TO POLISH THEM BUT MOST COMMONLY WITH SPECIAL TREATMENT LIKE APPLY A HARDNER , RESEIN OR SIMPLY SUPERGLUE.
ABOVE GRADE A IS COLLECTER'S PIECE AND TOP GEM QUALITY, THOSE ARE RARE TO SEE.
More Information
Depth: 9.4 mm
Length: 23.6 mm
Weight: 52.4 Carats
Width: 22.3 mm
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- Twentyfirstopals
- ShangHai, China
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Starts May 23, 2012 1:03 AM (PDT)
Ends May 24, 2012 1:00 AM (PDT)
Auction ID 294796
Auction viewed 32 times
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