Overview:A look at the world of gems, including shots of the Crown Jewels, and how gems are formed geologically. The film looks at night classes in gemmology held in London’s Northern Polytechnic
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First Air Date: Jan 01, 1959Last Air date: Feb 16, 1969Season: 11 SeasonEpisode: 256 EpisodeRuntime: 26:14 minutesQuality: HDIMDb: 3 / 10 by 1 usersPopularity: 3.9698Language: en
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