Multi Tourmaline 4mm Microfaceted Round - 15-16 Inch Cut a microscopic protozoa with a

a microscopic protozoa with a silica shell

a meteorite builds up heat that is then released into the terrestrial rocks with which it collides

Crazy Lace Agate is named for its swirling and circular patterns

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins

pale green or copper red

Multi Tourmaline 4mm Microfaceted Round - 15-16 Inch Cut a microscopic protozoa with aTourmaline 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