Tourmaline Natural 6-7mm Table Cut Cube Bead - 15-16 Inch Stone Type_Sardonyx A cryptocrystalline Chalcedony

A cryptocrystalline Chalcedony

or some degree of pink in between

Naturally occuring in hues of blue-green to green with spots and streaks of red

It has been mistaken for ruby and sapphire at times

These mines are also famous for sourcing North-American Jasper

Tourmaline Natural 6-7mm Table Cut Cube Bead - 15-16 Inch Stone Type_Sardonyx A cryptocrystalline ChalcedonyTourmaline 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 this variety of colors, Tourmaline has often been confused with other stones. Many stones in the Russian crown jewels from the 17th century