Gemology

Paper Code: 
JWT 504
Credits: 
8
Contact Hours: 
120.00
Max. Marks: 
100.00
Objective: 

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: 
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: 
Identification, Sorting And Grading Of Stones.
  1.  
    • 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: 
Identification of Diamond
  • natural and synthetic diamond,
  • quality of diamond
  • Inclusions in Diamond and their significance

 

 

20.00
Unit IV: 
Identification of Organic gem minerals-
  • pearl, amber, coral &  shell.

 

 

30.00
Unit V: 
Assortment and evaluation
  1.  
    •  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: 

Essential Readings:-

  1. Read, P. G. (2005). Gemmology. Butterworth-Heinemann.
  2. Hall, J. (2016). The crystal bible. Penguin.
  3. O'Donoghue, M. (2012). Gemstones. Springer Science & Business Media.
  4. Antonio C. Bonanno 2016, Jewelry & Gems, The Buying Guide, Gem Stone Press; (8th ed)
  5. Weinstein, M. (2013). Precious and semi-precious stones. Read Books Ltd.
  6. Pedersen, M. C. (2004). Gem and ornamental materials of organic origin/by Maggie Campbell Pedersen

 

 

References: 

Books Recommended:-

 

  1. Hall, J. (2007). The Encyclopedia of Crystals. Fair Winds Press.
  2. Schumann, W. (2009). Gemstones of the World. Sterling Publishing Company, Inc.
  3. Pearl, R. M. (2016). Popular gemology. Read Books Ltd.
  4. Bauer, G. (2016, April). How to find gold and gems: Introduction to gemology in school. In EGU General Assembly Conference Abstracts (Vol. 18).
  5. Dedeyne, R., & Quintens, I. (2007). Tables of gemstone identification. Gemstone Identification.
  6. Matlins, A. L. (2001). The Pearl Book: The Definitive Buying Guide-How to Select, Buy, Care for and Enjoy Pearls. Gemstone Press..
  7. 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: 
2018-19
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