OUR TRAININGS
THE WORLD OF OPALS
In this course you will discover the fascinating and multi-coloured world of opals: precious opals, common opals … How opal is formed, where it is found, will be explained. Opal treatments, synthetic materials and imitations will be defined.
PUBLIC
Anyone interested in learning about opals
OBJECTIVES
To understand and be able to identify the different opals, their geographical origin, their different qualities.
TRAINING HIGHLIGHTS
- The scientific credibility and renown of the Laboratoire Français de Gemmologie, LFG (French Gemmological Laboratory) within the gem and jewellery trade
- Education keeping up with the latest industry news
- Training provided by an expert
- Lab classes in small groups (10 people maximum per group)
TEACHING METHODS AND RESOURCES
- Theoretical and practical tuition: use of the loupe and the binocular microscope, observation of different samples (including the opal reference set from the LFG collection)
Course summary
Theory
- Opal history
- Opal formation
- Aspect: precious opal versus common opal
- Main producing countries
- The opal market
- Opal grading
- Techniques of identification (visual, chemical…)
- Opal treatments, synthesis and imitations
Pratice
- Observation of opal samples (opals, matrix or host rock, treated opals, synthetic opals, imitation, etc.)
- Comparing different qualities (grades)
- Identification lab class
Duration
7 hours
Session venue
Laboratoire Français de Gemmologie – 30, rue de la Victoire 75009 Paris
Inquiries and subscription
CONTACT US :
contact@lfg.paris
(+33) 01 40 26 25 45
30, rue de la Victoire - 75009 Paris
Monday - Thusday : 9H30 to 17H00
Friday : 9h30 to 16h30
Withdrawal files at same days and time
