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Opal is a precious stone with varying colors and transparency, as well as its chemical composition, which cannot be defined with a definitive formula...

Every opal is a unique and unrepeatable gem. Starting from this premise, it's not easy to create a precise order for classifying and evaluating opals. Many factors contribute to their...

Today, it's common to find various types of jewelry set with an opal. But how can I tell if the opal I'm buying is solid, a doublet, or a triplet?...

A simple guide to help you buy your next opal...

OpaleMio offers the opportunity to create your own custom jewel, in which every detail, from the choice of opal to the metal, to the style of the setting, can fulfill...

For each opal purchased, a hand-completed Certificate or Declaration of Authenticity is issued. However, if you would like to receive...

The name “opal” comes from the Latin “opalus,” which in turn comes from the Sanskrit “upala,” meaning precious stone.

You can purchase opals and jewelry directly at our showroom and laboratory, at mineral fairs where we exhibit, or directly from our online store. For advice on purchasing your precious...