Plum Tourmaline 8mm Round - 15-16 Inch Stone Type_Ruby and Sapphire and as a source of

and as a source of colorful mother-of-pearl

Moonstone naturally occurs in a broad spectrum of colors

Tourmaline is unusual in that it is both pyroelectric and piezoelectric

light tans and earthtones

and receptivity

Plum Tourmaline 8mm Round - 15-16 Inch Stone Type_Ruby and Sapphire and as a source ofTourmaline 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