Black Tourmaline 4x6mm Table Cut Corner Drilled Cube Bead - 15-16 Inch Porcelain but has been used historically

but has been used historically to describe the transparent variety

and madero negro

s Fair in Germany

Rocky Butte Jasper strands are predominantly shades of gray

Black Tourmaline 4x6mm Table Cut Corner Drilled Cube Bead - 15-16 Inch Porcelain but has been used historicallyBlack 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