Obsidian Sphere - Height: 10.5 11.14- 1280 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-made production.

A raw material much sought after in antiquity for the manufacture of sharp tools (primarily knives) and one of the goods that animated Mediterranean trade and sustained the economic life of the mining sites. Today it is still worked into small decorative objects, jewelry, scalpel blades.

Splendid obsidian sphere, originating from Mexico.

Weight: 1280 g
Diameter: 10.50 cm