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https://geology.com/articles/gem-diamond-map/
Most of the world's natural gem-quality diamonds are mined in countries where citizens do not purchase a lot of diamond jewelry. The leading consumers of diamond jewelry include the United States, India, China, the European Union, Japan, Hong Kong, and the Middle East. The United States consumes over 40% of the world's diamond jewelry, and the other areas listed together consume at least another 40% of the world's diamond jewelry.
https://www.jewelinfo4u.com/important-emerald-mines-in-the-world
Mar 08, 2016 · SUMMARY: Emerald deposits are found all over the world, the primary mines being in parts of USA, Brazil, Madagascar, Africa, India and Australia. Emeralds – Their use and their origins have been traced back to India and Egypt, to about 5000 …
https://www.gia.edu/gia-news-research-sri-lanka-mining-part1
Sep 30, 2014 · Gemstone mining in Sri Lanka is mostly from secondary deposits. The gravels yield sapphire, ruby, cat’s-eye and other chrysoberyls, spinel, garnet, beryl, tourmaline, topaz, quartz, and many other gemstones. Sri Lanka’s gem-bearing gravels, called illam, …
https://www.jewelinfo4u.com/amethyst-mines
Mar 08, 2016 · Two largest amethyst mines of Mexico are situated in Vera Cruz and Guerrero. The mines of Vera Cruz are famous for producing the variety of amethyst that is typically phantomed, characterized by a transparent interior and darker outer part. Generally they come in forms of prismatic crystals in light purple shades with higher transparency.Estimated Reading Time: 8 mins
https://www.nytimes.com/2020/11/17/fashion/jewelry-diamonds-argyle-mined-lab-grown.html
Nov 17, 2020 · The world’s most productive mine has closed, so your next piece of inexpensive jewelry probably will feature a lab-grown gem. The Argyle diamond mine in …Estimated Reading Time: 8 mins
https://www.hrw.org/report/2018/02/08/hidden-cost-jewelry/human-rights-supply-chains-and-responsibility-jewelry
Feb 08, 2018 · Russia, Botswana, Canada, and Australia are the world’s largest diamond producers, and the 10 largest mines account for over half of the world’s diamond production. Approximately 20 …
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