Science dealing with natural and artificial gemstone materials
Gemology or gemmology is the science dealing with natural and artificial gemstone materials. It is a specific interdisciplinary branch of mineralogy. Some jewelers (and many non-jewelers) are academically trained gemologists and are qualified to identify and evaluate gems.[1][2]
^"Gemologist". Dictionary of occupational titles. Photius Coutsoukis and Information Technology Associates. 2003. Retrieved 2009-11-08.