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Opal Belemnite - Ancient Sea Creatures Turn Into Gemstones

Opal Belemnite - Ancient Sea Creatures Turn Into Gemstones

Every serious opal enthusiast wants to have an opalized belemnite fossil in their opal collection. Belemnites are ancient Cephalopods from around 100 million years ago.
  • 22nd May 2016
  • 2
Black Opal Pendant Nearly Causes A Divorce

Black Opal Pendant Nearly Causes A Divorce

This is a story of how a Black Opal pendant nearly causes a divorce. A husband and wife were fossiking for Opal when they found a beautiful stone. You wont believe what happened next.
  • 17th May 2016
  • 3
What is a Harlequin Pattern Opal?

What is a Harlequin Pattern Opal?

A Harlequin Opal is the rarest opal in the world. We will explain what is needed in a stone in order for it to be classified as a true Harlequin Opal an we will show some of the examples we have for sale.
  • 5th Apr 2016
  • 9
10 Awesome Facts About Opals

10 Awesome Facts About Opals

We love Octobers birthstone Opal. Here are 10 awesome facts about Opals you might not know about.
  • 15th Mar 2016
  • 15

About Opal Auctions






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Opal Auctions is the opal industry’s leading online website. We began in 2004 with a group of Black Opal miners. Now we have opals from all of the Australian opal fields as well as Ethiopian, Mexican, Brazilian and over 2 dozen other types opal.

We developed a level playing field to make buying opals easier for opal lovers. We started the first ever online verification process to make sure our Opal sellers are industry oriented and true opals lovers. We started he Opal Sheriff program to give more confidence to our opal buyers so you can compare on an equal playing field.

We now have 136 verified specialist opal sellers selling direct to you.

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Verification Programs

Verification Programs

All sellers on Opal Auctions must comply with our Verified Sellers program which ensures a high degree of industry knowledge, consistent refund policy and wholesale pricing.

Verification Programs

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.

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.