USA Gems

 

 
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