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.

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.

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