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Gemology & Valuation
Paper Code:
JWT 504(A)
Credits:
8
Contact Hours:
120.00
Max. Marks:
100.00
Objective:
Objectives:
- To enhance the skills of the formation of gemstones, their crystal system, physical, optical & chemical properties-Study of 4 ‘C’s of diamonds, Use of various Gemology instruments.
20.00
Unit I:
I. Uses of various instruments:
- Uses of various instruments:
- Refract meter, Polariscope, Microscope, Spectroscope, Ultraviolet lamp , Hardness pencil , Diamond probe, Chelsa filter, 10x lens. MM Watch, optimizer, sieve etc
20.00
Unit II:
II. Identification, Sorting And Grading Of Stones.
- 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 color, clarity and cut grading criteria of gemstones
30.00
Unit III:
III. Identification of Diamond
- Identification of Diamond
- natural and synthetic diamond,
- quality of diamond
- Inclusions in Diamond and their significance
20.00
Unit IV:
IV. Identification of Organic gem minerals-
- Identification of Organic gem minerals-
- pearl, amber, coral & shell.
30.00
Unit V:
V. Assortment and evaluation
- 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 gem stones for presentation.
Essential Readings:
.
- Read, P. G. (2005). Gemmology. Butterworth-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
References:
- Hall, J. (2007). The Encyclopedia of Crystals. Fair Winds Press.
- Schumann, W. (2009). Gemstones of the World. Sterling Publishing Company, Inc.
- Pearl, R. M. (2016). Popular gemology. Read Books Ltd.
- Bauer, G. (2016, April). How to find gold and gems: Introduction to gemology in school. In EGU General Assembly Conference Abstracts (Vol. 18).
- Dedeyne, R., & Quintens, I. (2007). Tables of gemstone identification. Gemstone Identification.
- Matlins, A. L. (2001). The Pearl Book: The Definitive Buying Guide-How to Select, Buy, Care for and Enjoy Pearls. Gemstone Press..
- Matlins, A. L. (2010). Colored Gemstones: The Antoinette Matlins Buying Guide: how to Select, Buy, Care for & Enjoy Sapphires, Emeralds, Rubies, and Other Colored Gems with Confidence and Knowledge. Gemstone Press.
Academic Year:
