Petro Tourmaline 3mm Banded Faceted Round - 15 Inch #1110 among other numerous names

among other numerous names

Wood Opalite occurs in a range of colors

Formed deep underground during the cooling of magma

with inclusions of amazonite (causing the pale blue-green color) and tourmaline (the black spots)

Petro Tourmaline 3mm Banded Faceted Round - 15 Inch #1110 among other numerous namesTourmaline 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