Discover our blog about opals, minerals and gemstone fairs

Discover our blog dedicated to natural opals, their origin, their formation and their value.
Learn to recognize a true opal, choose a quality stone and understand the differences between Australian opals, white opals and black opals.

Our comprehensive guides accompany you to buy an opal with confidence, understand its price and explore the most beautiful stones in the world.

How do I recognize a real opal? (Full Guide)

by opalesandgems | Apr 6, 2026 | Opales Blog

Comment reconnaître une vraie opale ? (Guide complet)Introduction Reconnaître une vraie opale est essentiel avant tout achat, surtout face aux nombreuses imitations disponibles sur le marché. Entre opales naturelles, opales synthétiques et assemblages comme les...

How to polish an opal easily: complete guide for beginners

by opalesandgems | Mar 29, 2026 | Opales Blog

How to polish an opal easily: complete guide for beginners ✨ Introduction Policing an opal is an essential step to reveal the beauty of this precious stone. Indeed, a raw opal may seem dull at first glance. However,...

Guide to opal: how to recognize, choose and buy an opal

by opalesandgems | Mar 22, 2026 | Opales Blog

Guide de l’opale pour débutant : comprendre, reconnaître et acheter une opale Introduction L’opale est l’une des pierres précieuses les plus fascinantes au monde. Contrairement aux diamants ou aux rubis, elle se distingue par un phénomène unique : le jeu de couleurs,...