Item Information

Dimensions (mm) not provided
Weight (carats) 7 carats

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This is a parcel of opal that is in the sandstone found on the boulder opal fields in Queensland.It has been treated to appear like black opal by being carbonized.

The polish is excellent.


Weight of parcel 7.14 cts app

Size of largest 10 x 6.5 mm app

 This is a natural stone found on the opal fields in Queensland .It is precious opal embedded in the sandstone.Only by heating it with sugar does it become like black opal.This treatment is permant and goes all through the stone.Resin is added to give it a smooth top class finish which can be difficult on porous material.To view the material in the rough visit our sister site BOULDER MAGIC and search under  Opal carvings

1d 14h 51m 25s

Buy Now $29.00
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21 Days via Standard Shipping
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Pricing & Details

Bid Increment $1.00
Starting Bid $29.00
Auction ID 253119
Watchers 1 watching
Viewed 372 times
Starts 19th Oct 2016 7:13pm PDT
Ends 22nd Oct 2016 7:10pm PDT

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