Purple "Pimpleback" Shell 8mm Faceted Coin Bead - 15-16 Inch 20x22-28x34mm whose name is derived from

whose name is derived from the Greek word for Rose

creating iridescent flashes of blue

A variety of Andalusite

Tourmaline occurs in nearly every color in the rainbow and its name derives from “turmali

It is named for the Amazon River in Brazil

Purple "Pimpleback" Shell 8mm Faceted Coin Bead - 15-16 Inch 20x22-28x34mm whose name is derived fromA "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.