Black Flower Tourmaline 8mm Round - 15-16 Inch R0852 and the green color is

and the green color is caused by a reaction in the stone when the chrome is introduced to water

manganese and other metallic oxides captured during the forming of the rock

the brown spaces creating new continents aside the unfamiliar oceans

making it the hardest silicate mineral

Shungite has been used as a folk medical treatment since the early 18th century

Black Flower Tourmaline 8mm Round - 15-16 Inch R0852 and the green color isBlack Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmaline 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