http://gia.edu/gemencyclopedia

Bolivian Ametrine: From Mine to Market by GIA. Learn more about Bolivian ametrine from Robert Weldon, GIA's photography and visual communications manager. He discusses the amethyst gemstone, the mines and the marketing of the gem. He also explains the rarity of Bolivian ametrine, and offers some personal insights about the time he spent in Bolivia as a young man. Ametrine is the rare and unique amethyst gemstone that is half amethyst (purple) and half citrine (yellow). Only 10 percent of Bolivian mined amethyst rock and amethyst crystals produce jewelryquality ametrine. This video depicts the amethyst geode mine that is very difficult to access, and shows the amethyst rock and amethyst crystal mining process to produce amethyst gemstones. Robert Weldon offers a rare and valuable perspective on Bolivian ametrine, while shedding light on its unique gemmining process.

Learn more about ametrine and amethyst with GIA's gem encyclopedia: http://www.gia.edu/amethyst
• Amethyst Quality Factors: http://www.gia.edu/amethystqualityf...
• Amethyst Description: http://www.gia.edu/amethystdescription
• Amethyst Buyer’s Guide: http://www.gia.edu/amethyst#buyersguide
• Amethyst History and Lore: http://www.gia.edu/amethysthistorylore
• Amethyst Care and Cleaning Guide: http://www.gia.edu/amethystcareclea...

The Official GIA Channel on YouTube has more information on amethyst geode variations
• Amethyst Quartz:    • Amethyst Quartz by GIA  
• Fashioned Ametrine: http://www.youtube.com/watch?v=dy5Mft3to

GIA exists to connect people to the understanding of gems. Our videos provide more information on diamonds, gems, and other related topics
• How to Choose a Diamond | GIA Diamond Grading Guide:    • How to Choose a Diamond: 10Minute GI...  
• How to Read a GIA Grading Report:    • How to Read a GIA Grading Report Vide...  
• Sapphire and Ruby Mine in Palin, Cambodia:    • River Mining in Pailin, Cambodia, by GIA  
• Mining for Emerald in Brazil:    • Mining for Emeralds in Brazil by GIA  
• What Attracts Us to Ruby | History:    • What Attracts Us to Ruby: History by GIA  

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