Black Tourmaline 10mm Round - 15-16 Inch 16-inch Rounds It is a variety of

It is a variety of banded Chalcedony with layers that may contain scarlet

blue or gray

but a combination of minerals

power and perseverance and is also considered a calming and protective stone

Black Tourmaline 10mm Round - 15-16 Inch 16-inch Rounds It is a variety ofBlack 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