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CHEM3085 - Gemological Science

Offering Academic Unit	Department of Chemistry
Credit Units	3
Course Duration	One Semester
*Course Offering Term:**	Semester B 2025/26 (Tentative)

* The offering term is subject to change without prior notice

Course Aims

This course introduces basic knowledge of gemology, in relation with chemistry and material science. The course is co-developed and co-taught with GIA Hong Kong Limited. Upon passing the course, students will be given a digital Diamond Essentials Certificate issued by GIA HK for recognition.

This course aims to:

learn from the creator of 4C's diamond grading system
understand how modern technology changes the way diamonds are cut, the relationship between size and weight; the grading of the color and clarity;
identify the chemical compositions and characteristics of colored gemstones and the role of color; apply the knowledges to make scientific identification and color determination of gemstones.
comprehend the mining, extraction and purification processes of metals, and determine purity of precious metals by chemical and/or physical methods.

Assessment (Indicative only, please check the detailed course information)

Continuous Assessment: 40%

Examination: 60%

Examination Duration: 2 hours

#Attendance of the 9-hour GIA's practice training is required to pass the course. Starting from Semester A, 2015-16, students must satisfy the following minimum passing requirement for courses offered by CHEM: "A minimum of 40% in both coursework and examination components."

Detailed Course Information

CHEM3085.pdf

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