KCa 4Si 8O 20(F,OH) · 8H 2OUlrich 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