Garnet and is one of the most prized of garnet varieties. Topazolite is a golden-yellow variety and melanite is a black variety. Grossular is a calcium-aluminium garnet with the formula CaAl(SiO), though the calcium may in part be replaced by ferrous iron and the aluminium by ferric iron. The name grossular is derived from the botanical name for the gooseberry, "grossularia", in reference to the green garnet of this composition that is found in Siberia. Other shades include cinnamon brown (cinnamon stone variety), red, and yellow. Because of its inferior hardness to zircon, which the yellow crystals resemble, they have also
Garnet Valley, Pennsylvania the zip code "city names" are often confused with actual municipal names. As of July 1, 2009, Garnet Valley was removed from zip code 19061 and assigned to a new zip code, 19060. Although the community name is derived from the Garnet Valley School District, the district's headquarters are not within the Garnet Valley ZIP code. The district's address is in Glen Mills, Pennsylvania 19342. The community name is derived from the Garnet mines established in Bethel Township by Herman Behr & Co. of New York in 1879. The mine operated until 1912. Garnet Valley, Pennsylvania Garnet Valley is an