Definitions for "Andradite"
a garnet consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black; used as gemstone
Andradite is a species of gemstones within the garnet family. It includes several significant gem varieties such as demantoid, melanite and topazolite. On Mohs’ scale of hardness, it is 3.7 – 4.1. For color and sources, see individual gemstones. (Note: Sources listed in order of primary and secondary deposits.)
garnet used as a gemstone of the grossular family consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black.