Back to All Events

Professional Gemologist Certification: Class 4 of 12

  • Seasons City Jalan Prof. Dr. Latemementen, No. 33 Jakarta Barat Indonesia (map)

Professor Sugianto, geologist from the University of Indonesia will conduct the classroom training.

  • Specific Gravity Testing Part 1: Definitions
  • Specific Gravity Testing Part 2: Using a Balance Scale or a Hanneman Specific Gravity Scale
  • Specific Gravity Testing Part 3: Calculating Specific Gravity With An Electronic Scale
  • Specific Gravity Testing Part 4: Refining Your Specific Gravity Testing Techniques
  • Specific Gravity Testing Part 5: Using Heavy Liquids
  • Using a Polariscope
  • The Dichroscope
  • The Microscope
  • The Spectroscope
  • Ultraviolet Testing
  • Destructive Tests
  • Magnetism in Gemology – The Forgotten Property?

DGL uses the "Flipped" classroom instructional methodology. This type of learning has the student study the IGS online instructional content prior to the class. In-class lessons are then used more to discuss, answer questions, have live demonstrations, hands-on training  and in other ways engage students in the syllabus content.

Classes are taught in Bahasa Indonesia.