Have heard the name Demontoid Garnet used I believe for the same
Nope, Demantoid & Tsavorite are 2 different garnets. Demantoid is a andradite
garnet (RI 1.88) while tsavorite is a grossularite garnet (RI 1.74). The
demantoid can usually be id'd by the 'horsetail' seen in the cut stone.The 2 can
be quite close in color at times.