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.

Spondylus, an iconic shell of pre-Columbian cultures, played a key role in trade, rituals, and adornment. A symbol of wealth and spirituality, it remains fascinating for its history and rarity.

The Sonora Sunset is a fascinating gemstone composed of three main minerals: chrysocolla, cuprite, and iron. This semi-precious stone displays a vibrant range of colors, from the intense blue-green of chrysocolla to the vibrant red of cuprite, with black hues of iron in between. Together, these elements create a strikingly beautiful cabochon, often called Crimson Cuprite due to the predominance of red cuprite. Origin and Discovery This spectacular gem comes from the Milpillas

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.