Gemology or gemmology's the science, art and profession of identifying and evaluating gemstones. It's considered a geoscience and a branch of mineralogy. Some jewelers are academically trained gemologists and are qualified to identify and evaluate gems. Background With further post-graduate training and experience they can qualify as appraisers (valuers). There're numerous professional schools and associations of gemologists and certification programs all over the world. Some gemologists spec… (More on Gemmology)