What Opal Hardness Means for Daily Wear: A Beginner's Guide
Opal sits around 5.5 to 6.5 on the Mohs scale, roughly as soft as window glass. Here is what that means for rings, bracelets, and everyday wear.
Beginner's Guide to Reading an Opal's Play-of-Color
A practical guide to judging an opal's play-of-colour: setting up the right light, tilting the stone methodically, and reading...
Opal Types Explained: White, Black, Boulder, and Crystal Opal Compared
A practical comparison of white, black, boulder, and crystal opal, covering how each looks, where it comes from, and which type fits...
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