Obsidian Sphere - Height: 11.46 cm- 1720 g - (1)

Obsidian is a volcanic glass whose formation is due to the very rapid cooling of lava, always rich in silicate ions. Obsidian is a natural glass, entirely similar to that of human production.

A raw material highly sought in antiquity for making sharp tools (primarily knives) and was one of the commodities that animated Mediterranean trade and supported the economic life of the mining sites. Today it is still worked into small decorative objects, beads, blades for scalpels.

Splendid sphere of obsidian, originating from Mexico.

Weight: 1720 g
Diameter: 11.46 cm