How Do Opals Form?
Geologically speaking, precious opal is a rare find. With so few localities producing gem-quality opal, scientists have had some trouble understanding…
16 Famous Opals and Their Amazing Stories
These sixteen famous opals include some of the largest and most beautiful in the world. Learn their fascinating backstories in this article.
Opal Specialist Mini Course
Attention all opal lovers! If you have found yourself mesmerized by the changing color patterns of this mineraloid, you’ll love this course. Do…
Opal Treatments: How to Detect Treated Opals
With so many opal treatments on the market, it’s important to understand the different enhancement processes. Read on to learn how to detect…
Identifying Opal Patterns
Opal connoisseurs all have their favorite opal patterns. Learn how to identify the patterns of these beautiful gems with plenty of photo and video…
Opal Simulants: How to Spot Imitation Opal
How can you be sure that a piece of opal for sale is genuine? Learn about the major types of opal simulants and how to distinguish them from the real…
Synthetic Opal Types
Distinguishing synthetic opal from a mined gem is a vital skill for opal dealers. Learn about five different types of lab-made opal and what they…
Opal Prospecting and Mining
Headed out to the opal fields? Read on to learn more about opal prospecting and mining, plus some expert tips for finding precious opal beneath your…
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