Multi Tourmaline 8mm Round - 15-16 Inch Black Opal A manganese carbonate material of

A manganese carbonate material of the Calcite group

as it is softer than both Jasper and Rhyolite

as well as the amount of patterning

it is believed to be a grounding stone that promotes certainty

Multi Tourmaline 8mm Round - 15-16 Inch Black Opal A manganese carbonate material 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