Black Tourmaline 5-10x5-12mm Graduated Nugget Bead - 15-16 Inch 10mm Matrix yellow-brown to brown shell covered

yellow-brown to brown shell covered in bumps (pustules)

Unlike digital or electric calipers

This assortment pack contains the following:

Only a small percentage of Wampum shells have deep layers of purple and are thick enough to make beads

Black Tourmaline 5-10x5-12mm Graduated Nugget Bead - 15-16 Inch 10mm Matrix yellow-brown to brown shell coveredBlack Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to dark. It can even exhibit various colors within the same specimen. Its name derives from the Sinhalese word turamali, which translates to stone of many colors. Due to