Loading...
  • +44 (0)207 491 4777
  • contact@gcslab.co.uk
  • 30 New Bond Street, London W1S 2RN

Opals & Jade

Opals & Jade

AIM OF THIS COURSE

Precious opals and jade represent two of the most interesting and challenging gemstones to grade and price within the gem industry. 

This course will introduce the learner to all the knowledge required to confidently distinguish between the different varieties within each of these groups, and to identify the many treatments and imitations of both jade and opal common in the market.

COURSE STRUCTURE

This course consists of 2 modules (one for Opal and one for Jade) and 1 test.

Opal

  1. Physical and optical properties
  2. Geology
  3. Localities
  4. Crystal system
  5. Chemical composition and classification
  6. Varieties
  7. Cause of colour
  8. Absorption spectra and pleochroism
  9. Inclusions
  10. Fluorescence
  11. Principal mines
  12. Opal grading
  13. Synthesis of opal
  14. Gem identification
  15. Common treatments and enhancements
  16. Opal doublets and triplets

Jade

  1. Physical and optical properties
  2. Geology
  3. Localities
  4. Crystal system
  5. Chemical composition
  6. Absorption spectra
  7. Inclusions
  8. Fluorescence
  9. Principal mines
  10. Grading jadeite
  11. Synthesis of jadeite
  12. Gem identification
  13. Common treatments and enhancements

WHO IS IT FOR

This is a general interest course designed for everyone – beginners, trainee gemmologists or working professionals wishing to know more about jade and opals. 

It is also an opportunity to discover gemmology and find out if you may be interested in further studies in this field.

WHAT YOU EARN

Upon the successful completion of this course you will receive a certificate of completion. 

ADDITIONAL INFORMATION

  • No prerequisite is needed.
  • This course is available for long distance learning. You can register at any time and study at your own pace. 
  • There are no time restrictions.
  • Price is £65 (Digital); the courses are also available in print at an additional cost. 
  • No basic gem testing equipment is included in the cost of this course. 
  • Please note prices are given before tax. For UK residents VAT (20%) must be added.

For an overview of all available courses and study paths