Which black, igneous rock was used by the Mayans to make their sword blades?
Dragonglass Obsidean Merikanite obsidian Obsydian Dragon glass Obsidian scalpel Obsidian rock Obsidian Obsidion Black obsidian
obsidian obsidian rock dragon glass merikanite obsidian obsydian obsidian scalpel obsidean black obsidian dragonglass obsidion
obsidian
WikipediaEntity
Obsidian