Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Not Available
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
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