Boulder Opal & Boulder Opal Specimens .. Retail & Wholesale

MINESHAFT IS NOW ENTIRELY ONLINE. After running as a shopfront for 45 years the shop was closed on the 31st January 2023. Peter has semi retired and Mineshaft will mainly sell opal from his mining days. Many at wholesale direct pricing.

AUSTRALIAN BOULDER OPAL. Boulder opal is the term used for opal that occurs in ironstone boulders. The opal infills cracks within the boulder creating a unique type of opal. Peter had two boulder opal mines in Queensland. His Rainbow opal mine provides most of the boulder opal in Mineshaft. 

INFORMATION For information contact us at (mineshaft@iinet.net.au)

HOW TO PURCHASE E mail us with the code of the product and the price.

PAYMENT We accept PAYPAL for worldwide purchases. Australian customers can pay by PAYPAL or DIRECT DEPOSIT

This page was updated on the 13 November 2023

OUR RAINBOW OPAL MINE North west Queensland
OUR RAINBOW OPAL MINE North west Queensland

BOULDER OPAL MINE. This is our RAINBOW mine. We mined this deposit for several years and obtained some wonderful material from it. More importantly we had a great time and many exciting moments.

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BOULDER OPAL ‘cameo’ set in sterling silver

Boulder Gem Opal with crocodile. Peter could have cut this piece into a few gem opals. The pattern is fabulous and the crocodile is wrapped around the gem opal. The piece measures  55 mm by 28 mm by 11  mm and weighs 168 carats. It could be set in a large magnificent pendant or just kept for the magnificent collectable carving it is. The wholesale price is A$1500 so compare your prices.

Beautiful BOULDER OPAL palm stone polished all over. This Opal weighs 129 grams (645 carats) The price is A$700. 

Beautiful BOULDER OPAL palm stone polished all over. This Opal weighs 39 grams (129 carats) The price is A$600.

This is the reverse side of the BOULDER OPAL pictured above it

 

Beautiful BOULDER OPAL palm stone polished all over. This Opal weighs 151 grams (755 carats) The price is A$600

Beautiful BOULDER OPAL palm stone polished all over. This Opal weighs  225 grams (1125 carats) The price is A$600


Beautiful BOULDER OPAL palm stone polished all over. This Opal weighs  200 grams (1000 carats) The price is A$600

 

 

 

 

 

 

 

 

 

Boulder Opal. carats (39mm by 28mm) Code 20577162 … $150

 

 

Here is a selection from our A$50 (plus postage) each boulder opals. Buy 12 for A$500. Send us an e-mail for more pictures. Click on picture for a bigger image.