Purple "Pimpleback" Shell 8mm Faceted Coin Bead - 15-16 Inch Shape_Coin ” Fire Opal is believed

” Fire Opal is believed to utilize elemental fire to awaken one’s passion

shape and size may vary

but Sonoran Mountain is unique because it is often found in clay deposits as nuggets

including Aquamarine and Morganite

is desired by some collectors as proof of a natural stone

Purple "Pimpleback" Shell 8mm Faceted Coin Bead - 15-16 Inch Shape_Coin ” Fire Opal is believedA "pimpleback" is a freshwater mussel (Cyclonaias pustulosa) common in North American rivers, characterized by a thick, yellow brown to brown shell covered in bumps (pustules). While not typically purple, the inner lining (nacre) can be iridescent, and related species in the pimpleback complex are sometimes found in Texas waters.