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There are several gemstones that are very well known from US sources such as Bixbite from Utah and Benitoite from San Benito County, California. But there are many other gemstones from US sources that are not nearly as well known.
- Alaska
Barrerite, Kulanite, Lazulite
- Arizona
Amethyst, Apache Tears, Aurichalcite, Azurite, Camplellite, Chalcopyrite, Chrysocolla, Cinnabar, Conichalcite, Connellite, Cyanotrichite, Eucryptite, Gem Silica, Kinoite, Leadhillite, Linarite, Malachite, Myrickite, Peridot, Smithsonite,
Sphalerite, Tenorite
- Arkansas
Perovskite
- California
Artinite, Axinite, Bakerite, Benitoite, Californite, Coffinite, Colemanite, Epidote, Gold (native), Hanksite, Inderite, Inyoite, Jadeite, Kernite, Kurnakovite, Lawsonite, Mariposite, Melanite, Meyerhofferite, Myrickite, Neptunite, Pirssonite, Scheelite, Smoky Quartz, Sulphohalite, Tincalconite,
Tourmaline, Trona, Vesuvianite (Californite), Woodhouseite
- Colorado
Amazonite, Amethyst, Arsenopyrite, Barite, Fluorbritholite-(Ce), Lapis Lazuli, Molybdenite, Mottramite,
Polycrase-(Y), Rhodochrosite, Smokey Quartz, Sphalerite, Synchysite-(Y), Yttrofluorite
- Connecticut
Datolite
- Idaho
Freibergite, Ludlamite, Opal
- Louisiana
Chambersite
- Maine
Beryllonite, Tourmaline
- Massachusettes
Babingtonite, Danalite
- Michigan
Algodonite, Chlorastrolite (Greenstone), Copper, Domeykite, Mohawkite, Thomsonite
- Minnesota
Binghamite, Thomsonite
- Montana
Chromite, Digenite, Ludwigite, Veszelyite
- Nevada
Bementite, Chalcosiderite, Ulexite, Opal, Realgar, Variquoise
- New Hampshire
Fluorite, Graftonite, Scorzalite
- New Jersey
Esperite, Datolite, Franklinite, Friedelite, Hardystonite, Hodgkinsonite, Hydrohetaerolite, Leucophoenicite, Natrolite, Norbergite, Petedunnite,
Roeblingite,
Sussexite, Tephroite, Troostite, Willemite, Zincite
- New Mexico
Anorthite, Bytownite, Calcite
- New York
Celestite, Fluoro-potassichastingsite, Hexagonite (Tremolite), Lapis Lazuli
- North Carolina
Amethyst, Hiddenite, Rutile
- Oregon
Opal, Pulsite, Sunstone
- Pennsylvania
Williamsite
- South Dakota
Barite
- Utah
Alunite, Bixbite, Bixbyite, Crandallite, Montgomeryite,
Orpiment, Rhyolite, Variquoise, Variscite
- Vermont
Hessonite
- Washington
Meta-Autunite, Zektzerite
- Wyoming
Eitelite, Platinum (native), Shortite
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