Course Code: JDTI - 103A
Programme Length: 45 days, alternate days of the week, 18 sessions
Timing: 10:00 a.m. - 2:00 p.m.

You will learn to grade and identify Colored Gemstones in JDTI's well-equipped Gemmology Lab with GIA and Kruss (Germany) instruments. The institute has a large updated collection of stones which aids in the practical experience.

Programme Contents

Coloured Gemstones

• Historical Background, Nomenclature of Gemstones, Origin, Geological timetable, Mining, Occurrence. Major Gem Stones Deposits of the World
• Famous Gemstones, Folklore, influence, Healing properties, Birthstones & Astrological view
• Nature of Gem Materials, Crystal Systems, Crystallography, Physical, Chemical & Optical Properties. Inclusions, Characteristics and Sources of best Known Gemstones to Trade
  
• Use of Gemmolite and other Gemological Instruments in Identification.
  
• Identification Techniques
  
• Types and Forms of Cuts
• Enhancement-Treatments and Methods of Detection/Identification
• Synthetic Stones - Important Properties and Identification Methods
• Organic Gemstones and their Physical, Chemical, Optical Properties, Sources & Identification Techniques
• Instruments for Weight Estimation