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) 4″ x (d) 9″ x (h) 9″
(w) 10 x (d) 23 x (h) 23 cm
Weight: 18.0 lbs – 8 kg
Color: Turqoise
443452
Mineral
