These demantoid garnets are from the Malenco Valley, Valtellina, Son Drio Province, Lombardy, Italy. One -Hundred and sevent-nine different mineral species can be found at this locale including demantoid. It is the green variety of andradite and it is a silicate containing the elements Ca, Fe, Si, and O. This specimen consists of amphibole matrix that contains sherical clusters of demantoid garnets. This piece measures 2 1/2 x 1 9/16 x 1 5/16 inches or 63 x 39 x 33 mm.