After documenting tourmaline production at the famous Cruzeiro mine in Brazil, GIA takes you to China, where you can witness the cutting of these stones for entry into the hottest tourmaline market in the world.
Read MoreJourney with us to Brazil for a visit to one of the world’s most prolific tourmaline mines. You’ll also hear a highly captivating story of family success through perseverance.
Read MoreExamination of a large private collection of beads and carvings from antique excavations, assembled in the 1970s by a collector in Afghanistan.
Read MoreThe Mt. Mica area in southwestern Maine has been mined for tourmaline and other pegmatite gems since the 1820s.
Read MoreUnusually vivid tourmalines from the state of Paraiba, in north-eastern Brazil, have attracted great interest since they first appeared on the international gem market in 1989.
Read MoreThe Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
Read MoreA further article exploring tourmaline mines in another part of Minas Gerais.
Read MoreAn overview of the many types of gem-quality material, and its inclusions, currently found in Sri Lanka.
Read MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
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