Explore the science of natural gemstones in greater depth with the Marnick Gemmology Video Series. Through detailed gemmological lessons, examine identification methods, inclusions, treatments, optical and physical properties, laboratory techniques and the scientific principles used to analyse, distinguish and understand natural gemstones. Latest Episodes About the Marnick Gemmology Video Series The Marnick Gemmology Video Series … Continue reading Marnick Gemmology Series