Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
hydrogrossular Massive vein s of opaque Grossular Garnet that resembles Jade . It is white to light green in color, and may be colored in a white, green, and pink combination. Hydrogrossular is often regarded as a variety of Grossular, but it is scientifi