Black Tourmaline 4x6mm Table Cut Corner Drilled Cube Bead - 15-16 Inch 4-9mm Looking to surprise that special

Looking to surprise that special rock-lover in your life

a 19th-century German professor of chemistry and mineralogy

Famous malachite mines in the Ural mountains of Russia once produced 20-ton blocks of the stone

These colors swirl throughout the stone in fascinating matrices of color

In lower grades it can be transparent to opaque and is commonly light blue

Black Tourmaline 4x6mm Table Cut Corner Drilled Cube Bead - 15-16 Inch 4-9mm Looking to surprise that specialBlack 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