|Dimensions (mm)||31 x 9 x 4mm|
|Weight (carats)||10.05 carats|
NATURAL INDONESIAN 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. It is a common practise to heat the rough in oil and sand to remove the out clay which sticks to the opal rough.This is a untreated stone but i suspect if tested there will be traces of baby oil.
This stone is considered to be a black opal with a body tone rating of N1
This stone is volcanic in origin.
This stone loves strong sunlight
|Starts||5th Jan 2017 8:54pm PST|
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