Blue Obsidian

Semi-finished semiprecious stones for jewelry making and lapidary projects.

Amethyst Druzy L 1200ctw
Free shipping
Shop LC
1 sold
$19.49

Introduction

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.

FAQs

Start with a trim saw, grind through 220 grit, then proceed to 600 grit and a final polish with cerium oxide on felt.

Use a thin-kerf diamond blade and light coolant flow to keep the stone cool and minimize stress cracks.

Blue obsidian is stable enough for most hand drills; slow speed and water coolant are usually sufficient.

or gold bezels provide contrast and protect the stone edges from wear.

Wrap each cabochon individually in a soft pouch to avoid scratches from harder stones.