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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Obsidian is a naturally occurring volcanic glass
Inclusions of hornblende
a semi-precious gemstone
unlike any other stone
This piece is polished into a mountain shape
Green Onyx Coaster Raven Obsidian is a naturally occurringPakistani onyx, the bands formed by the deposition of calcite saturated with iron. The iron oxidizes into reddish bands while the reduced iron creates green or whitish banding. These pieces are polished into coasters. You will receive one piece selected from our current stock. All pieces are of similar size and quality. Average measurements: 3. 75 L x 3. 75 W x 0. 25 H inches Average weight: 2. 55 pounds
