Black Tourmalinated Quartz 10mm Round - 15-16 Inch Red Garnet its oldest known use being

its oldest known use being in Egypt more than five thousand years ago

An orthoproxene mineral

Naturally occuring in hues of blue-green to green with spots and streaks of red

Emerald and Heliodore -- and is often cut to highlight its chatoyant qualities

Black Tourmalinated Quartz 10mm Round - 15-16 Inch Red Garnet its oldest known use beingTourmaline naturally occurs in a full color spectrum and is used as both a trade name and as a gemological name for a group of minerals of varying species Different forms of tourmaline may carry different metaphysical properties, with differing colors associated commonly associated with the corresponding color of one of the eight main chakras.