Minerals and Metals in Ancient India v2.c47.190

v2.c47.190

It is a variety of iron ore. This mineral is often found in the form of octahedrons, and is sometimes confused with the diamond. It is described as having eight facets and being hard (8.5). It is said to be a gem given to the gods, and is often used as a substitute for the diamond. According to the *Rasa-ratna-samuccaya*, it is a gem of the gods.