Black Obsidian Skull | 179g TMNT Physical Attributes: appears in a

Physical Attributes: appears in a vibrant range of fire-orange reds to brown-reds and has a dull

Weight: 454g Size: 65mm x 58mm x 86mm

Because of its unusual propensity to collapse when heated

reddish brown to brown when weathered

Black Obsidian Skull | 179g TMNT Physical Attributes: appears in aWeight: 179g. Size: (All measurements are approximate.) BLACK OBSIDIAN STRENGTH PROTECTION GROUNDING TRUTH TRAUMA Source s: United States, Canada, Mexico, Guatemala, Argentina, Chile, Greece, Hungary, Italy, Iceland, Russia, New Zealand, Japan, and Kenya. Mineral: As a volcanic glass, obsidian resembles a mineral but it's not a true mineral because its composition is too complex and lacks the typical mineral crystalline structure. Physical Attributes: