Item Information

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

header main


This is  opal that is in the sandstone found on the boulder opal fields in Queensland.It has been treated but  NOT  with acid as matrix from Andamooka is.This  stone has been soaked in sugar and heated.The secret is in the polishing as this stone has a top professional glossy finish.The treatment is permant and you can re cut the stone as it is colour is all through the stone.

Weight 18.90 cts app

Size 25 x 25 x 2 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


1 bid placed so far
$69.00 aedson
11th May 2012 6:41pm PDT
Add to Watch List Ask a Question * All prices in USD

Audit Information

The Opal Sheriff program allows our members to request an audit on any auction, which is completed by an independent gemologist who assesses the accuracy of the item description and pictures.

Request Audit

Pricing & Details

Bid Increment $1.00
Starting Bid $69.00
Auction ID 206665
Watchers 0 watching
Viewed 720 times
Starts 11th May 2012 12:03am PDT
Ends 12th May 2012 12:00am PDT

Shipping & Insurance

Provider Shipping Transit
FedEx $3.00 5 Days
Registered Shipping $3.00 10 Days
Standard Shipping $3.00 21 Days
Shipping Insurance all providers $7.00 (optional)

About Sedaopals

Hello! Opal Auctions is an international marketplace offering Opal Stones, Rough & Jewelry from professional Opal cutters, dealers & miners. Register for $10 off your first purchase.