Blue obsidian is a volcanic glass valued for its deep color and glassy luster. Cutters and jewelry makers select it for cabochons, beads, and inlay work.
- Choose rough or pre-slabs to match your and polishing sequence.
- Check translucency and color zoning before committing to a full piece.
- Store slabs flat to prevent chipping during later grinding stages.
Find the right grade for your next project.