Multi Tourmaline 6mm Round - 15-16 Inch Limited Edition Viking explorers used thin pieces

Viking explorers used thin pieces of Iolite as the world’s first polarizing lens to help them determine the exact location of the sun for navigation

a variety of Jasper containing variably colored spherical patterns

with indigo being the most rare

and Rutile as well

Multi Tourmaline 6mm Round - 15-16 Inch Limited Edition Viking explorers used thin piecesTourmaline 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