How to use gemstone tweezers: Learn from an experienced field gemologist.
Автор: Mine to Market Media (formerly Lawson Gems)
Загружено: 2022-11-04
Просмотров: 3341
Описание: This video is a simple tutorial on how to use gemstone tweezers, also known as gemsone tongs. Taught by Charles Lawson who is a field gemologist and geologist with more than 15 years experience in the field.
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