Purple "Pimpleback" Shell 8x16mm Faceted Rectangle Bead - 15-16 Inch Shape_Drum Discovered in Greenland in the

Discovered in Greenland in the late 1890's

Carnelian is a glassy

though significant deposits have since been found in Brazil and Sri Lanka

while its variations in color are better known by other names: Emerald (green)

whose name is derived from the Greek word for Rose

Purple "Pimpleback" Shell 8x16mm Faceted Rectangle Bead - 15-16 Inch Shape_Drum Discovered in Greenland in theA "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.