Wholesale lot 1 pound Natural Rainbow Obsidian Sphere Crystal Ball. Roughly 20 pcs to 30 pcs per lot, these spheres can range from 18mm to 36 mm. *In order to see their true colors, they will need a good source of direct light. Colors may not show under normal lighting. Condition is New. Free shipping or local pickup in Brooklyn, New York. Stones, stone, crystal, crystals, crystals bulk, crystals wholesale, spiritual, spiritual items, meditation, metaphysical wholesale.