Coming soon
Gemology and valuation
Paper Code:
MJD 126
Credits:
4
Contact Hours:
90.00
Max. Marks:
100.00
Objective:
- 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
Academic Year:
