In each piece of obsidian (volcanic glass) iridescent layer is distributed unevenly in accordance with the random nature of flowing and hardening of the lava. Therefore the iridescent fragments in the beads may have different depths or be directed to the center of the bead and not be ...
In each piece of obsidian (volcanic glass) iridescent layer is distributed unevenly in accordance with the random nature of flowing and hardening of the lava. Therefore the iridescent fragments in the beads may have different depths or be directed to the center of the bead and not be ...