Australian Solid Opal Types: Black, White, Dark and Crystal Opal
Discover Australian opal types, including black, white, crystal, dark and dark crystal opal. Explore their origins and characteristics
Lightning Ridge: Black Opal Country
Famously renowned source of not only natural black opal but a host of many others. Learn about its vivid play-of-colour, unique patterns, exceptional value, and rariety.
Opal Doublets and Triplets: How to Identify and Value
Learn the difference between opal doublets, triplets and solid opal. Discover how composite opals are made, how to identify them and what affects their value.
Coober Pedy: White and Crystal Opal
Discover Coober Pedy opal from South Australia, famous for natural white opal, the birth place of Australia's opal industry.
Queensland Boulder Opal: A Land of Water and Stone
Discover Queensland boulder opal, a unique Australian gemstone featuring vibrant play-of-colour in natural ironstone.
Australian Opal Grading and Value: A Quick Guide
Discover how Australian opal is graded and valued. Learn about the N1–N9 body tone scale, opal brightness, prized patterns and doublet and triplet values.