Brazilian gemstones

Details Brazilian gemstones Brazilian gemstones

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981esrv...17..207f&link_type=abstract

Earth Science Reviews, Volume 17, Issue 1-2, p. 207-219.

Mathematics

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Scientific paper

Brazil counts as a gemmological province because of the variety of gem minerals present in the country. Most Brazilian states and territories produce gemstones, the State of Minas Gerais being the most important producer both in volume and in number of species. Diamonds are chiefly derived by panning from alluvial deposits in Minas Gerais, Mato Grosso and Goiás. Among other gemstones, the most important are aquamarines, beryls, chrysoberyls, topazes, amethysts, tourmalines, emeralds and agates, and their respective varieties. The occurrences of these gemstones, as well as of a great number of others, are described for each state in which they are found.

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