Multi Tourmaline 6mm Double Heart Faceted - 15-16 Inch Gold Rutilated Quartz Diopside is a calcium and

Diopside is a calcium and magnesium silicate mineral

light gray or black

which forms in geodes and is generally found in clusters of crystal points

Charoite is a stone that naturally occurs in intense purple hues

Rhyolite was named "streaming rock" because of its beautiful bands

Multi Tourmaline 6mm Double Heart Faceted - 15-16 Inch Gold Rutilated Quartz Diopside is a calcium andTourmaline 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