Gemstone exhibition & trading: permanent exhibition of more than 150 varieties of gemstones from cambodia & from all over the world / gem testing laboratory: managed by an accredited gemologist, a private and independent gemological laboratory, providing gemological testing and research services in siem reap, cambodia / gemology class - introduction to gem & gemology: a basic introduction to major gemstones commonly found in the cambodian marketplace. This beginning-level course stresses the important aspects of such gems as ruby, sapphire, zircon, peridot, garnet, topaz, aquamarine, crystalline quartz, chalcedony, obsidian. How not to fall into the trap of fake gemstones sellers? How to recognize natural gemstones, synthetics, treatment? How to estimate the quality and pricing? You will get answers to all your questions during this class.
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