Purple "Pimpleback" Shell 8x16mm Faceted Rectangle Bead - 15-16 Inch Stone Type_Druzy Agate according to the Mohs hardness

according to the Mohs hardness scale

while replicas are often cut or drilled

sometimes referred to as Crocodile Jasper for its deep green color and deep brown or black oval rings reminiscent of crocodile skin

It is a potent combination of these minerals

Copper within the Pectolite creates the beautiful blue and turquoise colors in the stone

Purple "Pimpleback" Shell 8x16mm Faceted Rectangle Bead - 15-16 Inch Stone Type_Druzy Agate according to the Mohs hardnessA "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.