10.5 CTS Untreated Andamooka Rough Opals AS-1677

Item Information

Dimensions (mm) 21 x 16 x 7mm
Weight (carats) 10.5 carats


untreated / natural

green orange colors

can be treated with sugar and acid ,,the base nomally turns black leavingthe opal to look like back opal with bright colours


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Pricing & Details

Bid Increment $1.00
Starting Bid $30.00
Auction ID 201313
Watchers 6 watching
Viewed 1,245 times
Starts 6th Nov 2016 3:03pm PST
Ends 7th Nov 2016 1:46am PST

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