These high-quality spheres come in many different materials, including but not limited to copper rutilated quartz, thousand layer quartz, crazy lace agate, sunstone, moonstone, banded agate, moss agate, chalcedony, clear quartz, black tourmaline quartz, golden rutile, amethyst, amazonite, bloodstone, kambaba, fire quartz, pink tourmaline, blue onyx, smokey quartz, green strawberry quartz, howlite, kunzite, prehnite, ocean jasper, que sera, fluorite, yellow quartz, sodalite, flower agate, green moonstone and red obsidian.