Introduction to Gemology (Theory)

Paper Code: 
25CJWT103
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

Course Objectives:

This course will enable the students to –

  1. Impart the knowledge of Gemology & the use of various laboratory equipment such as the gemological microscope, dichroscope, polar scope, specific gravity balance, refract meter, ultraviolet light, spectroscope, and other instruments used in gem identification.
  2. Acquire a thorough knowledge of all precious and semi-precious stones and the ways in which they are used in jewellery.

 

Course Outcomes: 

Learning outcomes (COs):

                Course

Learning outcomes

(at course level)

Learning and teaching strategies

Assessment

Strategies

COURSE CODE

COURSE TITLE

25CJWT 103

 

Introduction to Gemology

CO10: Interpret basic concepts of Gemology.

CO11: Examine the different gemstone testing equipment and the use of this equipment for the purpose of gemstone identification.

CO12: Analyze different properties of gemstones, which will be helpful in their identification.

CO13: Appraise gemstones - natural gemstone, synthetic gemstone, manmade gemstone and assembled gemstone.

CO14: Develop a deep understanding of each setting type, enabling them to apply these techniques effectively in their jewellery designs.

CO15: Contribute effectively in course-specific interaction

Approach in teaching:

Interactive Lectures, Discussion, Tutorials, Reading assignments, Demonstration, Team work

 

Learning activities for the students:

Self-learning assignments, Effective questions, Simulation, Seminar presentation, Giving tasks, Field practical

 

Class test, Semester end examinations, Quiz, Solving problems in tutorials, Assignments, Presentation, Individual and group projects

 

12.00
Unit I: 
Gemology
  • Definition,
  • Qualities of gems
  • Value of gemstone
  • Use of gems for astrological purpose
  • Gem deposits

 

12.00
Unit II: 
Gems Stones: Shapes & cuts
  • Studying Different Cuts and Shapes of Stone 
  • Cutting and Faceting 
  • Identification of Gems with Help of Instruments

 

12.00
Unit III: 
Characteristics of Gemstones
  • Physical Properties of Gem Stones
  • Optical Properties of Gem Stones

 

12.00
Unit IV: 
Classification and types
  • Precious Gems
  • Semi-Precious Gems
  • Imitation Gems
  • Organic Stones
  • Assortment and evaluation

 

12.00
Unit V: 
Study of Gemstones setting:
  • Importance of setting
  • Types of setting

Channel, Prong, Pave, Kundan Plate, Flush, Illusion, Invisible and Tension. Others

 

Essential Readings: 

·         Read, P. G. (2005). Gemmology. Butterworth-Heinemann.

·         Hall, J. (2016). The crystal bible. Penguin.

·         Pedersen, M. C. (2004). Gem and ornamental materials of organic origin. Oxford: Elsevier Butterworth-Heinemann.

Bonanno, A. C. (2016). Jewellery& Gems-The Buying Guide. GemStone Press

References: 
  • O'Donoghue, M. (2012). Gemstones. Springer Science & Business Media.
  • Thomas, W. (2002). The Book of Talismans, Amulets and Zodiacal Gems (Vol. 1). Library of Alexandria.
  • Weinstein, M. (2013). Precious and semi-precious stones. Read Books Ltd.

 

Academic Year: 
2025-2026
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