Enhance the skills of gemstones identification, their crystal system, and physical, optical &chemical properties of gems, its origins they will also learn about the identification of naturally occurring gems.
Study of 4 ‘C’s of diamonds, Use of various Gemology instruments and different ways and techniques of evaluating
20.00
Unit I:
: Uses of various instruments:
Refract meter, Polariscope, Microscope, Spectroscope, Ultraviolet lamp, Hardness pencil, Diamond probe, Chelsea filter, 10x lens. MM Watch, optimizer, sieve etc.
20.00
Unit II:
Identification, Sorting and Grading of Stones
Rough and polished gems
Synthetic and stimulant gems,
Absorption Spectrum.
Defects in gem minerals
Flaws and inclusions.
Recognize the colour, clarity and cut grading criteria of gemstones
20.00
Unit III:
Identification of Diamond
Natural and synthetic diamond,
Quality of diamond
Inclusions in Diamond and their significance
10.00
Unit IV:
Identification of Organic gem minerals-
Pearl, amber, coral & shell.
20.00
Unit V:
Assortment and evaluation
Rough stones
Cut and polished
Stone, single stone
Packet lots
Unusual stones
Collect just a bunch of pictures of common and rare gems with a few bullet points on each, & collect some approachable gemstones for presentation.
Essential Readings:
Rough stones
Cut and polished
Stone, single stone
Packet lots
Unusual stones
Collect just a bunch of pictures of common and rare gems with a few bullet points on each, & collect some approachable gemstones for presentation.
References:
Read, P. G. (2005)GemologyButterworth-Heinemann.
Hall, J. (2016). The crystal bible. Penguin.
O'Donoghue, M. (2012). Gemstones. Springer Science & Business Media.
Antonio C. Bonanno 2016, Jewelry & Gems, The Buying Guide, Gem Stone Press; (8th ed)
Weinstein, M. (2013). Precious and semi-precious stones. Read Books Ltd.
Pedersen, M. C. (2004). Gem and ornamental materials of organic origin/by Maggie Campbell Pedersen
