Blue Green Bi Color Tourmaline. Paraíba intense blue to green from paraíba brazil colored by copper. Tourmaline 1 37ct natural bi color pink tourmaline ef2428 b19.
The variations in color along a crystal s length give rise to the bi color and tri color blue and blue green tourmalines. Black orange blue green black. Tourmaline has a variety of colors.
Black tourmalines are seldom faceted as gemstones today although they were common in mourning jewelry in the past.
Loose tourmaline gemstones come in almost any color. Pink paraiba red blue orange green yellow black bi color tri color multi color and fancy colors. Cat s eye chatoyant tourmaline in a variety of colors. 4 cts blue green tourmaline tbm 982.
