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) 9″ x (d) 4″ x (h) 10″
(w) 23 x (d) 10 x (h) 25 cm
Weight: 14.0 lbs – 6 kg
Color: Turqoise
441444
Mineral
