ArticleMetals/Minerals

GEMSTONES

Authored by:
Donald W. Olson

Production The value of natural gemstones produced from U.S. deposits during 2022 was estimated to be $9.5 million, essentially unchanged from that in 2021. U.S. natural gemstone production included agate, beryl, coral, diamond, garnet, jade, jasper, opal, pearl, quartz, sapphire, shell, topaz, tourmaline, turquoise and many other gem materials. More than 60 varieties of gemstones have been produ...


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