obsidian knife
Black glass cutter
An obsidian knife is a cutting tool with a blade of obsidian—volcanic glass that fractures into edges sharper than surgical steel.
Obsidian knives were crafted by ancient peoples worldwide and remain prized by some surgeons and hobbyists.
The blades are extremely sharp but brittle, prone to chipping: He used an obsidian knife to slice the hide.
- volcanicOf fiery mountain origin
- volcanic glassAmorphous ignite rock
- glassTransparent solid from sand
- bladeFlat cutting edge
- razor sharpExtremely fine edge
cutting edge · sharp · ritual · sacrifice · Aztec · Mayan · flint · knapping · ceremonial · blood ritual · human sacrifice · cutting · black · shiny · ancient · priest · altar · bloodletting
technological era
obsidian knifelaser cutter
Tool cutting with focused light
electric knife · Swiss Army knife · plasma cutter · tactical knife