• Large Black Tourmaline 153.5 Carat 47x21x18 mm Gem Grade Complete Piece

    Gem Grade Black Tourmaline from Afghanistan (complete piece). Color is the major characteristic for tourmaline. This stone is found in morehues, shades and nuances than any other gem. One of the most versatile of gemstones, tourmaline is available in every color, from colorless to black.
    C $15.77
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    From Hong Kong