TOPIC TO BE COVERED
- INTRODUCTION : Formation of minerals. basic quality (BRD concept), classification of gem materiels weight & measures
- PHYSICAL CHARACTERISTICS : Hardness, cleavage, Fracture specific gravity Estimation through heft.
- CRYSTALLOGRAPHY : Nature of crystals, Elements of symmetry, crystal systems, Forms, Habits Twinning, surface marking, Identification of rough.
- OPTICAL PROPERTIES : Transaprancy, Reflection & Refraction Polarisation, Color and its causes, pleochroism, Luminesence, phenomenous.
- INSTRUMENTS : 10X, Microscope, polariscope, ultraviolet light, specific gravity by liquid immersion.
- Simplified system of identification rough from its simulants.
- Rough sources: Geological and geographical sources.
NOTE: All short courses will be consisting mainly of practical session.
Courses Commences as per IGL convenience
