Course Content:
I Uses of various instruments:
Refract meter, Polariscope, Microscope, Spectroscope, Ultraviolet lamp , Hardness pencil , Diamond probe, Chelsa filter, 10x lens. MM Watch, optimizer, etc
II Identification, Sorting And Grading Of Stones.
• Rough And Polished Gems
• Synthetic And Simulant Gems,
• Absorption Spectrum.
• Defects In Gem Minerals
• Flaws And Inclusions.
• Recognize The Color, Clarity And Cut Grading Criteria Of Gemstones
• Evaluating The Cut
• Grading Set Stones
• Clarity Grading For Colored Stones
III Identification of Diamond
• Natural And Synthetic Diamond,
• Quality Of Diamond
• Inclusions In Diamond And Their Significance
• Clarity Grading Diamonds
• Color Grading White Diamonds
• Color Grading Fancy Colored Diamonds
• Cut Grading Diamonds
IV Identification of Organic gem minerals-
• Pearl, Amber, Coral & Shell
V Survey of Gemstones(Project)
• Collect just a bunch of pictures of common and rare gems with a few bullet points on each, & collect some approachable gem stones for presentation.
1. Cally Hall & John Taylor -The Smithsonian Handbook of Gemstones, , Dorling Kindersley, 2002 2. Kennie Lyman -Simon and Schuster's Guide to Gems and Precious Stones, Editor, Simon and Schuster, 1986