Develop practical gemmological skills through step-by-step guides focused on gemstone observation, examination and the correct use of essential gemmological instruments. Learn how tools such as the 10× loupe, gemmological microscope, refractometer, polariscope, dichroscope and spectroscope are used to investigate natural gemstones, interpret observations and support reliable gemstone identification.
Explore Practical Gemmology
Practical gemmology combines careful observation with the correct use of specialised instruments. These guides focus on practical examination techniques, instrument handling and the interpretation of gemmological observations, helping you understand not only how a tool is used, but also what its results can — and cannot — reveal about a gemstone.
Latest Practical Gemmology Guides
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How to Use a Gemstone Dichroscope: Pleochroism and Gemstone Identification
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How to Use a Gemstone Polariscope: Single Refraction, Double Refraction & Optic Figures
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How to Use a Refractometer for Gemstone Identification
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How to Use a Gemmological Microscope: Darkfield, Brightfield & Fibre-Optic Lighting
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How to Examine a Gemstone: How to use a 10× Loupe
