Plum Tourmaline 5mm Cube Table Cut Bead - 15-16 Inch 24x36mm and as such is a

and as such is a particularly soft stone

It is one of the most rare and sought after forms of Agate

Natural topaz colors include rare and valuable yellow

also known as the Stone Age

Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite

Plum Tourmaline 5mm Cube Table Cut Bead - 15-16 Inch 24x36mm and as such is aTourmaline 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