Events for August 23, 2026

As the perfect introduction to the fascinating world of gemstones, this tutor-guided practical session will enable you to become competent in the use of tweezers and a 10x loupe when […]

During this practical workshop you will learn the principles and basic techniques of the most common and basic gemmological instruments and testers, including the 10× loupe, polariscope, spectroscope, refractometer and […]