Grade A++ Large Black Lava Rock Crystal Bead Bracelet 8mm ...Orange Calcite & Black Lava Stone is a popular crystal combination, often used in jewelry like bracelets, blending Orange Calcite's energy for joy, creativity, and confidence (sacral/solar plexus chakras) with grounding Black Lava Stone's strength and aromatherapy diffusion (root chakra). The stones contrast beautifully—vibrant orange calcite with porous black lava—offering both uplifting energy and grounding stability, with lava stone acting as a natural essential oil diffuser.