| The focus of the biennial event was the history of natural history museums, mineralogy, gemology, crystal chemistry, and crystallogenesis. |
| The extensive exhibition incorporates biology, gemology, anthropology, mineralogy, and ecology. |
| It could take up to three years if she also goes for the diploma of gemology award. |
| She comes from a family of jewellers and she has herself done a course in gemology. |
| Following the war, Sinkankas renewed his interest in mineralogy and gemology. |
| Although I'm not a student of gemology, this appears to be nothing more than a symbolic move to satisfy the politically correct advocacy. |
