Purple "Pimpleback" Shell 8x16mm Faceted Rectangle Bead - 15-16 Inch 5pf4032026 The stone appears in a

The stone appears in a range of earth tones

Common Opals such as White African Opal are believed to provide gentle

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and is a variety of Fuchsite

Purple "Pimpleback" Shell 8x16mm Faceted Rectangle Bead - 15-16 Inch 5pf4032026 The stone appears in aA "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.