Are you a private individual, therapist? Select the quantity of aventurine thumb stones you need Description of the Aventurine thumb stone The aventurine stone is part of the quartz family. It belongs to the rhombic crystal system. The aventurine stone is formed in the heart of magmatic rocks as well as in hydrothermal veins. Its name aventurine comes from the Italian word “aventura” which means adventure. The aventurine stone has several inclusions that give it its brilliance and color. Among these inserts, there are those of fuschite or muscovite that give it its green hue. The hematin and micas inserts they contain give it its red-brown color. In ancient China, the aventurine stone, which was also called the “imperial Yù stone”, was used as a talisman. The Chinese also used it as an elixir. They thought that the aventurine stone gave them vitality and well-being.