corundum, USA.12, North Carolina.12, Montana.12, gems

Detailed report by George F. Kunz on the progress in the field of precious stones during 1885, including notable finds and mining activities in various locations such as Maine, North Carolina, Colorado, New Hampshire, Connecticut, and others. It mentions specific discoveries of emeralds, hiddenite, quartz, agates, garnets, jasper, and other minerals. Production of Precious Stones: Estimated production values of various precious stones in the United States for the years 1883, 1884, and 1885, including diamonds, quartz, garnet, pyrite, amazonstone, pipestone, turquois, moss agate, amethyst, jasper, sunstone, fossil coral, and gold quartz. ​Imports: Data on diamonds and other precious stones imported into the United States from 1867 to 1885, including rough or uncut stones, stones not set, and those set in gold or other metals