Multi Tourmaline 2mm Cube Table Cut Banded Bead - 15-16 Inch Focus but rather a dark variety

but rather a dark variety of Carnelian

but can be distinguished by its structure and its lower relative hardness

Blue Tiger Eye is a naturally occurring dark stone with chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

which may form green stains or specks on Azurite crystals or aggregates

Multi Tourmaline 2mm Cube Table Cut Banded Bead - 15-16 Inch Focus but rather a dark varietyTourmaline 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