Bead, rainbow obsidian (natural), 16mm flat round, B grade, Mohs hardness 5 to 5-1/2. Sold per 16-inch strand.
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Item Number: D01-8249GS
Rainbow obsidian is a lightweight volcanic glass with iridescent properties, giving it a subtle cat's eye glow in sunlight. Every movement reveals a subtle sheen, with muted rainbow colors moving on the stone. Microscopic crystals and bubbles of mica in the volcanic glass create the multicolored effect.
D01-8249GS>>http://www.firemountaingems.com/itemdetails/d018249gsD018249GSBead, rainbow obsidian (natural), 16mm flat round, B grade, Mohs hardness 5 to 5-1/2. Sold per 16-inch strand.//image4.fmgstatic.com/images/p8249gsb.jpg45.3545.35As Low As $24.89 per bead