COURSE SUMMARY

  • Gems classification and notion of families
  • Study of common synthetic materials
  • Study of common inclusions in natural gems
  • Minerals morphological analysis using the polariscope
  • Refraction and refractometer
  • Gemstones observation
  • Light, colour, absorption and using the Chelsea filter
  • DAY 1
    • Introduction to natural gems and their inclusions.
  • DAY 2
    • Common imitations and synthetic materials.
  • DAY 3
    • Common gemstones.
  • DAY 4
    • Gems crystal systems and optical characteristics.
  • DAY 5
    • The refractometer and how to use it.
  • DAY 6
    • Pléochroïsm and the dichroscope.
  • DAY 7
    • Corundum (physical, chemical and optical properties, deposits, synthetics and treatments).
  • DAY 8
    • Emerald (physical, chemical and optical properties, deposits, synthetics and treatments).

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