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July 12, 2013

The estimated value of natural gemstones produced from U.S. deposits during 2012 was $11.1 million, a slight increase from 2011. U.S. gemstone production included agate, amber, beryl, coral, garnet, jade, jasper, opal, pearl, quartz, sapphire, shell, topaz, tourmaline, turquoise and many other gem materials.

Citation Information

Publication Year 2013
Title Gemstones
Authors D.W. Olson
Publication Type Article
Publication Subtype Journal Article
Series Title Mining Engineering
Index ID 70046539
Record Source USGS Publications Warehouse
USGS Organization National Minerals Information Center