Geology 102: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series Published 2021-04-02 Download video MP4 360p Download video MP4 720p Recommendations 1:05:05 Playing the Blues: An Overview of Sapphire Treatment | GIA Knowledge Sessions Webinar Series 1:01:42 Identifying Mineral Inclusions in Diamonds | GIA Knowledge Sessions Webinar Series 1:12:13 Geology 101: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series 1:26:52 A Comparison of Diamonds and Colored Stones | GIA Knowledge Sessions Webinar Series 17:17 Gemology Tools: What Do I Buy, When? 1:11:32 Gem-A Live: Understanding Gemstone Species and Varieties 1:05:12 Rough Diamonds: Natural Crystal Shapes & Surface Features | GIA Knowledge Sessions Webinar Series 05:40 Top 9 Most Expensive Gemstones in The World 2023 | Most Expensive Things 1:05:21 Sapphires: From Ceylon to Ethiopia | GIA Knowledge Sessions Webinar Series 1:15:46 X-Rays and Their Use in Gemology | GIA Knowledge Sessions Webinar Series 1:03:52 Laboratory-Grown Diamonds: Updates and Identification | GIA Knowledge Sessions Webinar Series 16:01 How HIMALAYAN PINK SALT Is Made 15:08 Unboxing a Gemologist's Spectroscope 28:53 Brian Cox: "Big Bang Wrong And The Universe Existed Before" 21:44 Magma Pressurizing: Will Current Eruption Increase OR New Vents Open? Geologist Analysis 16:12 Unboxing A Million Dollars in Gemstones! Top Grade Black Opal & More! 2:46:50 Reactors and Fuels & Nuclear Reactors 27:19 15 Mysterious Islands That Appeared Out of Nowhere 57:46 Tools of the Trade | GIA Knowledge Sessions Webinar Series 53:11 Unusual Phenomenal Colored Stones | GIA Knowledge Sessions Webinar Series Similar videos 51:15 Natural Yellow & Orange Diamonds | GIA Knowledge Sessions Webinar Series 1:09:59 Microfeatures of Gems: Geologic Implications | GIA Knowledge Sessions Webinar Series 55:47 Green Gemstones: History, Lore and Gemology | GIA Knowledge Sessions Webinar Series 55:29 Colorless Diamonds | GIA Knowledge Sessions Webinar Series 54:04 The Latest Discoveries from Gems & Gemology | GIA Knowledge Sessions Webinar Series 1:04:34 The Art of Photographing Minerals, Gemstones and Jewelry | GIA Knowledge Sessions Webinar Series 58:55 The Science Behind Fancy Color Diamonds | GIA Knowledge Sessions Webinar Series 59:07 Gemstones from the Sea | GIA Knowledge Sessions Webinar Series 1:08:31 Red Gemstones: History, Lore and Gemology | GIA Knowledge Sessions Webinar Series 57:58 Color-Change Diamonds | GIA Knowledge Sessions Webinar Series 1:10:32 The Microworld of Gemstones | GIA Knowledge Sessions Webinar Series 1:05:55 Understanding Jadeite | GIA Knowledge Sessions Webinar Series 59:02 The Sapphires of Montana | GIA Knowledge Sessions Webinar Series 58:24 Highlights from Gems & Gemology: Spring 2021 Issue | GIA Knowledge Sessions Webinar Series 1:07:41 A Look at Kimberlites: The Volcanoes that Carry Diamonds | GIA Knowledge Sessions Webinar Series More results