: crushed lava rock
Crushed Lava Rock Opal for Inlay, Jewelry Making, Ring Making, Woodworking, Raw Opal Ring, Fire Opal, Opal Jewelry, Inlay Material PatrickAdairSupplies 5 out of 5 stars (370) $ 11.99. Add to Favorites Lava Rock Variety Pack: Large and Small Rocks Plus Crushed Cinders - …