Les os de dinosaures agatisés de l’Utah offrent une rencontre unique entre paléontologie et gemmologie. Transformés par la minéralisation, ces fossiles rares séduisent par leurs couleurs et leur histoire.

Featured in InColor issue 45, this article highlights how American gemstones are bringing fresh inspiration to the European jewelry market and industry professionals.

As a devoted fan of petrified wood, I discover new patterns, new color combinations, and fascinating designs every day that I can share with collectors and jewelers. These unique stones offer endless variety, and I am delighted to share with you today some of the most remarkable specimens I have encountered during my travels around the world.

A Trip to the 2018 Tucson Gem Show: Discovering Rare Gems and Unforgettable Moments. The Tucson Gem Show is a must-attend event for gem and mineral enthusiasts, and the 2018 edition was no exception. Every year, thousands of dealers, collectors, and gemologists from around the world gather in Tucson, Arizona, to discover exceptional stones and discuss the latest market trends.

En 2014, je suis retourné au Tucson Gem and Mineral Show®, un événement fascinant réunissant gemmes rares, minéraux et passionnés du monde entier. Cette édition m’a permis de découvrir des pierres uniques, d’échanger avec des négociants et artisans, et d’enrichir ma collection tout en vivant l’énergie exceptionnelle de ce rendez-vous incontournable pour tout amateur de gemmes.

22.98ct neon red faceted by Jeff Hapeman, USA Introduction: A Native American Legend and the Magic of Sunstone According to an ancient Native American legend, an epic battle took place near the Ochoco Mountains in Oregon . A valiant warrior was pierced by an arrow, and his blood was spilled onto pieces of sunstone . The blood, imbued with the warrior's spirit, is said to have colored the stones a powerful, sacred red, endowing them with mystical powers. Today, in the desert o

Our goal is to contribute to the promotion of Oregon Sunstones , an exceptional natural gem that deserves to be better known worldwide, including in France . This ambitious project, in which we are actively participating, is an opportunity to pay tribute to this gem and its unique origins. Through this site, visitors can learn more about the formation , characteristics and history of Sunstones, while discovering the extraction and cutting techniques used by local producers.

North American obsidian showcases a remarkable variety of textures and reflections. Formed from volcanic activity, these unique stones are prized for their raw beauty and creative potential in jewelry and collecting.

For hundreds of millions of years, the oceans have been home to numerous marine species, among which fossilized coral plays a significant role.

The Pow Wow Rock Show in Quartzsite, Arizona, is a key event for mineral enthusiasts. The 2020 edition once again gathered collectors and professionals around exceptional specimens.

Montana covellite is a striking copper mineral known for its deep blue metallic sheen. Rare and visually captivating, it is highly valued by mineral collectors and enthusiasts.