Скачать
Natural Tanzanite Heating To Enhance Color: Heat Treatment of Gems
Автор: MoreGems.com
Загружено: 2010-12-31
Просмотров: 70452
Описание:
https://www.tanzanitejewelrydesigns.com - Video showing the effects of heat treating used to enhance a Tanzanite or any gem's color. This process used to alter the color of almost all tanzanite in the market is discussed by gemologist and gem cutter Steve Moriarty. Samples of tanzanite before and after cutting are shown as well as the tools and his process.
Доступные форматы для скачивания:
Скачать видео mp4
-
Информация по загрузке:
