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Quartz to diamonds: Arkansas' significant gemstone production.
Colored Stone 1992 Jan; 5(3):26-27
This U.S. Bureau of Mines article reviews Arkansas' gem stone production, which includes quartz crystals, freshwater mussel shells and pearls, agates and petrified wood, and potential commercial production of diamond.
OP; Journal Article
Issue of Publication
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division