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These specks are crystal inclusions in a cinnamon-colored hessonite garnet. The light shining through the gem caused some of the crystals to shine while others are dark. - Photo by John I. Koivula/GIA
One type of green garnet is called demantoid [dih-man-toid]. The inclusion in this demantoid is called a horsetail, which consists of fiber-like rays radiating from a tiny crystal. A horsetail can add to a demantoid’s value. - Photo by John I. Koivula/GIA
This is a purplish-red or raspberry-red garnet called rhodolite [roh-duh-lite]. It contains needle-like inclusions.