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| Gemmology and Gem Trade Course | |||||
| This course is conducted for those who wish to enter the gem business. Classes are conducted individually for best results. The sections covered are as follows: |
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| 1. Characteristic features of gem crystals 2. Identification: without and with instruments 3. Chemical composition of gem materials 4. Lustre and other surface properties 5. Refractive index and the refractometer 6. Absorption spectrum and the spectroscope 7. Specific gravity and heavy liquids 8. Hardness and abrasives 9. Polarized light and the polariscope 10. Pleochroism and the dichroscope 11. Chelsea colour filter 12. Luminescence and UV lamps 13. Lenses and the microscope 14. “Geuda” and principles of heat treatment 15. Principles of gem-cutting 16. Grading criteria 17. Price structure of gems 18. Rules, regulations and procedures applicable to gem business |
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Gemstones used in lessons are valuable gems that are actually for sale in our showroom. Duration: 40 to 50 hours, individual classes. Course fee: US$ 1500 inclusive of notes, basic instruments and a set of gemstones. |
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