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Naturally occurring in hues of blue-green to green with spots and streaks of red
Agate has been discovered with artifacts from cultures of the Neolithic Period
Stone Type: Madagascar Agate
It appears green because of traces of Chromium
Young trees cannot be legally harvested
Black Tourmaline 5x10-20mm Top Drill Teeth - 15-16-Inch Stone Type_Mica Naturally occurring in hues ofBlack 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