Black Obsidian Tumble (15-20mm)
Product Info
Rough Black Obsidian
Size: 15-20mm
You will receive a randomly selected stone
Obsidian was so named from its resemblance to a stone found in Ethiopia by Obsius. It was used in antiquity for amulets and necklaces. Obsidian is a naturally occurring volcanic glass. It is usually an opaque black or grey but may be yellow, red, greenish brown. Obsidian may have an iridescent sheen caused by inclusions.