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Update on Gemstone Mining in Luc Yen, Vietnam

Abstract : In 1987, gems were discovered in the Luc Yen area of Vietnam's Yen Bai province. Ruby, sapphire, and spinel from primary and secondary deposits are the most valuable of these; tourmaline, gem-quality feldspar, pargasite, and humite are also mined there. As a result of this discovery, the Luc Yen district has become Vietnam's most important gemstone-trading center over the past 30 years. The markets of Yen The, the capital of Luc Yen, offer an additional assortment of natural gems from Vietnam and elsewhere (including peridot, beryl, aquamarine, topaz, and quartz); synthetic gems are also found in these markets.
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https://hal.univ-lorraine.fr/hal-01764648
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Submitted on : Thursday, April 12, 2018 - 12:05:32 PM
Last modification on : Wednesday, July 25, 2018 - 10:00:19 AM

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Pham Van Long, Vincent Pardieu, Gaston Giuliani. Update on Gemstone Mining in Luc Yen, Vietnam. Gems & Gemology : the quarterly journal of the Gemological Institute of America, GIA - Gemological Institute of America, 2013, 49 (4), ⟨10.5741/gems.49.4.233⟩. ⟨hal-01764648⟩

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