17.55 CTS INDONESIAN OPAL STONE POLISHED. [VS7140 ]

Item Information

Dimensions (mm) 25 x 18 x 6mm
Weight (carats) 17.55 carats
Colors

INDONESIAN OPAL STONE

This is a piece of natural opal polished i purchased on my last trip to Banten. It has been cut on the opal field there. They have oiled the stone which is a common practice there as they dont polish the stone too well. The stone could be polished a bit better.

This stone is volcanic in origin. It is a common practice here for miners to heat the rough in sand to remove the clay which sticks to the rough and when polished they add a resin to get a better finish as it hides pits ect.

$125.00 USD

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Pricing & Details

Auction ID 588555
Watchers 4 watching
Viewed 596 times
Starts 25th Apr 2016 10:52pm PDT

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