This beautiful piece of Bi Colored Tourmaline from the Democratic Republic of the Congo has a hardness of 7.5 on the Mohs scale, this piece weighs 20.26 cts. and measures 22x13x10 mm. Has some veils at base of stone.
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This beautiful piece of Bi Colored Tourmaline from the Democratic Republic of the Congo has a hardness of 7.5 on the Mohs scale, this piece weighs 20.26 cts. and measures 22x13x10 mm. Has some veils at base of stone.