Gemstone beads and components
The benefit of using the lava rock for jewelry is that lava holds essential oils scents for 1-2 days, whereas they only last a few hours on your skin. Just use a drop of your favorite oil and rub it on the black lava beads.
Material: lava rock (electrocoated),
Size: 6-7mm or 7-8mm round (irregular)
Mohs hardness 3 to 3-1/2.
Sold per 15.5-16 inches strand - about 25 beads
Natural lava rock beads include naturally-formed voids and irregular surfaces, making each bead unique. Beads are a consistent size.