Sphalerite 'ruby Jack' (deux générations) avec épitaxie de Chalcopyrite. Picher Field, district Tri-State, Kansas, États-Unis - Hauteur : 11 cm - Largeur : 7.8 cm- 680 g

Cristosud, based in Lyon, France, is a dedicated team offering a curated selection of fine-quality French and international minerals, with a focus on distinctive specimens that inspire curiosity and wonder. As naturalist geologists and passionate collectors, we are continually amazed by how natural processes create highly complex and elegant structures. Within this complexity lies a captivating beauty that the human eye can appreciate. Minerals and crystals are timeless examples of natural artistry—stunning, thought-provoking, and enduring sources of inspiration that collectors can enjoy at home