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Do Opals and Water Mix? A Care Guide That Cuts Through the Myths Short answer: most solid opals tolerate brief contact with water just fine. Earth-mined Australian opal already carries a small to mod…

Crystal Opal Guide: What to Know Before You Buy A crystal opal is a transparent to semi-transparent precious opal whose clarity lets its play-of-color glow with a three-dimensional depth other opals…

Opal Size vs Carat: What Buyers Need to Know Carat measures weight, not size: one carat equals exactly 0.2 grams. Because opal has a notably low density and is almost always cut as a smooth-domed cab…

Black Opal vs Boulder Opal: What Sets Them Apart If your priority is rarity and the deepest, most theatrical color contrast, black opal is the stone to chase. If you want vivid, one-of-a-kind imagery…

Queensland Boulder Opal: A Collector’s Guide to Buying Right Queensland boulder opal is precious opal that forms within ironstone and sandstone boulders, typically left attached to its host rock rath…

A Boulder Opal Guide for Collectors and Buyers Boulder opal is precious opal that stays fused to its natural ironstone host rock, and for most buyers, it’s a genuinely rewarding stone to own or colle…