Online lesson: Home Gemmology (SESSION 4) The vast garnet super group of minerals, with focus on almandine, pyrope, spessartine, uvarovite, grossular and andradite species. The concept of solid solution to understand garnet terminology and colours. Gem varieties, correct spelling and understanding trade terms (e.g. rhodolite, demantoid, tsavorite, melanite, malaia, mandarin, grandite, mali, mint, topazolite). Brief historical context. Garnet-related artificial products.
September 30, 9:00 AM or 7:00 PM (Lisbon/London timezone)
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Video/audio recordings: Due to local privacy law, recording of the session is strictly NOT permitted.
