Approx. 5-8mm big gemstone chips, natural black obsidian.
Natural color, not enhanced in any way
Obsidian's origin is different from the most other natural stones, slowly build by mineral crystals. Obsidian is born in explosions, fire and lava, it is a volcanic glass without any crystal structure.
Obsidian is mostly opaque black with occasional smoky spots.
Sold per 88cm strand.