Lava Stone Beads from Rings & Things. Earthy yet elegant, lava stone beads are made from basalt, a type of igneous rock formed during volcanic eruptions. Due to their many holes and bubbles, lava stone beads add great texture, but not a lot of weight, to jewelry designs. Lava stone is naturally rough in texture, and our lava stone beads usually appear to have been treated with a paraffin wax to make them smooth to the touch - plain basalt would be rather abrasive! Lava stone beads are a great base for Art Clay Silver paste and other Metal Clay pastes - just be sure to burn off the waxy coating in a kiln first.