Tanzanite: One of the Rarest Gemstones in the World

A GIA gemologist explains what makes Tanzanite one of the rarest gemstones on Earth! Learn all about this unique and pleochroic December birthstone which can only be found in Tanzania. Shop Megan's Tanzanite Jewellery Picks: https://shopmy.us/shop/collections/42... What You'll Learn in this Video: What are tanzanite gemstones? What is the rarest gemstone in the world? What are the world's rarest gems? Where is tanzanite mined? Can you wear tanzanite in an engagement ring? How to clean tanzanite jewellery Are tanzanites heat treated? What is zoisite? How soft is tanzanite? Are tanzanites pleochroic? What is pleochroism? Which colours are tanzanites available in? Which tanzanites are the most valuable and expensive? What is the birthstone for December? Tanzanite vs. blue sapphire Where was tazanite discovered? Who discovered tanzanite? When was tanzanite discovered? History of Tiffany & Co. and tanzanite gemstones How soft is tanzanite? Are pastel tanzanites valuable? Chapters: 0:00 Introduction 0:21 Pleochroism 1:24 One-of-a-kind colour 1:48 Tanzanite vs. blue sapphire 2:10 Pastel tanzanite 2:42 Rarity and history 3:44 Tiffany & Co. 4:13 Heat treatment 4:39 Variety of zoisite 4:55 Low hardness Learn more: https://www.winstongemsandjewellery.com/ Follow us on Instagram: @winstongemsandjewellery #tanzanite #tanzanitering #tanzanitejewelry #engagementrings #jewellery #jewelry #gemstones #crystals #minerals #zoisite #tanzania #gemology #coloredgems #rings #luxuryshopping #raregemstones #raregems #jewels