Black Tourmaline 8mm Round A Grade - 15-16 Inch Size_7x9-12x15mm It is transparent or translucent

It is transparent or translucent

it is a relative newcomer to the gem market

yellow and white

This item is treated and dyed agate

Black Tourmaline 8mm Round A Grade - 15-16 Inch Size_7x9-12x15mm It is transparent or translucentBlack 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