Obsidian (Polished)

Description

Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. Obsidian is hard, brittle, and amorphous; it therefore fractures with sharp edges. In the past, it was used to manufacture cutting and piercing tools, and it has been used experimentally as surgical scalpel blades
(w) 6″ x (d) 3″ x (h) 7″
(w) 15 x (d) 8 x (h) 18 cm
Weight: 4.0 lbs – 2 kg
Color: Turqoise