Pink Green Yellow Banded Tourmaline 2mm Faceted Round - 15-16 Inch R1766 with a Mohs Hardness of

with a Mohs Hardness of 8

Sardonyx is sometimes treated to bring out its reddish tones

Preservation is enabled by a lack of oxygen

features intricate light brown patterns on dark brown stones

It's defined by a bright green color

Pink Green Yellow Banded Tourmaline 2mm Faceted Round - 15-16 Inch R1766 with a Mohs Hardness ofTourmaline 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