Item Information

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

header main

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

The polish is excellent.

Disc cut

Weight  of strand 164 cts app

size of largest bead  10x7  mm app

Lenght 16 inchs

We have strung these beads  for transport but recommend re string it.



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


10h 9m 36s

Buy Now $270.00
Shipping $4.00
21 Days via Standard Shipping
0 bids placed so far
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 $259.00
Auction ID 268694
Watchers 5 watching
Viewed 656 times
Starts 25th Oct 2016 8:03pm PDT
Ends 27th Oct 2016 8:00pm PDT

Shipping & Insurance

Provider Shipping Transit
FedEx $25.00 5 Days
Registered Shipping $15.00 10 Days
Standard Shipping $4.00 21 Days
Shipping Insurance all providers $11.77 (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.