Obsidian Sphere - Height: 6.3 cm- 250 g - (1)

Obsidian is a volcanic glass whose formation is due to the very rapid cooling of lava, still rich in silicate ions. Obsidian is a natural glass, completely similar to the human-made glass.

A highly sought-after raw material in ancient times for the manufacture of sharp tools (predominantly knives) and was one of the commodities that animated Mediterranean trade and supported the economic life of the extraction sites. Today it is still worked into small decorative objects, jewelry, and scalpel blades.

Splendid sphere of obsidian, originating from Mexico.

Weight: 250 g
Diameter: 6.3 cm