為了促進對自然資源、旅遊、歷史等方面的興趣，美國各州往往選取某種礦物、岩石、寶石作為本州的象徵或者標誌。
Table of minerals, rocks, stones and gemstones
| State | Mineral | Rock or Stone | Gemstone |
|---|---|---|---|
Alabama阿拉巴馬 | Hematite(1967)赤鐵礦 | Star Blue Quartz (1990)星光蘭石英 | |
Alaska阿拉斯加 | Gold自然金 | Nephrite Jade軟玉 | |
Arizona亞利桑那 | Turquoise綠松石 | ||
Arkansas阿肯色 | Quartz石英 | Bauxite(1967)鋁土礦 | Diamond金剛石 |
California加利福尼亞 | Serpentine(1965)蛇紋石 | Benitoite(1985)片藍錐礦 | |
Colorado科羅拉多 | Rhodochrosite(2002)菱錳礦 | Yule marble(2004)Yule大理岩 | Aquamarine(1971)海藍寶石 |
Connecticut康乃狄克 | AlmandineGarnet (1977)鐵鋁榴石 | 本州暱稱棕石州 | |
Delaware德拉瓦 | Sillimanite矽線石 | ||
Florida佛羅里達 | Agatized Coral (1979)珊瑚化石 | Moonstone(1970)月光石 | |
Georgia喬治亞 | Staurolite(1976)十字石 | Quartz (1976)石英 | |
Hawaiʻi夏威夷 | Black coral黑珊瑚 | ||
Idaho愛達荷 | Star garnet(1967)星光榴石 | ||
Illinois伊利諾 | Fluorite(1965)螢石 | ||
Indiana印第安納 | Salem Limestone (1971)薩勒姆石灰岩 | ||
Iowa愛荷華 | quartz Geode(1967)石英晶洞 | ||
Kentucky肯塔基 | Coal (1998)煤 | Kentucky Agate (2000)肯塔基瑪瑙 | Freshwater pearl (1986)淡水珍珠 |
Louisiana路易斯安那 | Agate (2011)瑪瑙 | Crassostrea virginicaEastern oystershell (2011)牡蠣殼 | |
Maine緬因 | Tourmaline碧璽 | ||
Maryland馬里蘭 | Patuxent River Stoneagate (2004)patuxent河瑪瑙卵石 | ||
Massachusetts麻薩諸塞 | Babingtonite(1971)矽鐵灰石 | Roxbury Puddingstone(1983)roxbury圓礫石 | Rhodonite(1979)薔薇輝石 |
Michigan密西根 | Petoskey stone fossilized coral (1965)珊瑚化石 | Chlorastrolite(aka Isle Royale greenstone 1972)綠星石 | |
Minnesota明尼蘇達 | Lake Superior agate (1969)蘇必利爾湖瑪瑙 | ||
Mississippi密西西比 | Petrified wood (1976)矽化木 | ||
Missouri密蘇里 | Galena (1967) Missouri'snickname is the Lead State方鉛礦 | Mozarkite(1967)密蘇里碧玉 | |
Montana蒙大拿 | MontanaSapphire and Montana Agate 藍寶和瑪瑙 | ||
Nebraska內布拉斯加 | Prairie agate(1967)瑪瑙 | Blue agate(1967)藍瑪瑙 | |
Nevada內華達 | Sandstone(1987)砂岩 | Precious Gemstone: Black fire opal 藍歐珀 Semiprecious Gemstone:Turquoise綠松石 | |
New Hampshire新罕布夏 | Beryl (1985)綠柱石 | Granite(1985) New Hampshire'snickname is the Granite State花崗岩 | Smoky quartz(1985)岩水晶 |
New Jersey | |||
New Mexico新墨西哥 | Turquoise(1967)綠松石 | ||
New York紐約 | Garnet (1967)石榴子石 | ||
North Carolina北卡羅來那 | Gold (2011)自然金 | Granite(1979)花崗岩 | Emerald(1973)祖母綠 |
North Dakota | |||
Ohio俄亥俄 | Ohio flint(1965)燧石 | ||
Oklahoma俄克拉何馬 | Rose Rock(Barite)重晶石 | ||
Oregon俄勒岡 | Thundereggagate (1965)瑪瑙 | Oregon sunstonelabradorite (1987)日光石（拉長石） | |
Rhode Island羅得島 | Boweniteserpentine (1966)硬綠蛇紋石 | Cumberlandite(1966)鈦鐵長橄岩 | |
South Carolina南卡羅來納 | Blue granite(1969）藍花崗岩 | Amethyst(1969)紫水晶 | |
South Dakota南達科他 | Fairburnagate (1966)瑪瑙 | ||
Tennessee田納西 | Limestone(1979) and Tennessee Paint Rock Agate(1969) 灰岩和瑪瑙 | Tennessee River Pearl(1979)田納西河珍珠 | |
Texas德克薩斯 | Precious Metal: Silver(2007)自然銀 | Oligocenepetrified palmwood (1969)矽化木 | Gemstone:Texas blue topaz(1969)藍黃玉 |
Utah猶他 | Copper (1994)自然銅 | Coal (1991)煤 | Topaz (1969)黃玉 |
Vermont佛蒙特 | Talc滑石 | Granite(1992) and Marble (1992) and Slate (1992) 花崗岩、大理岩、板岩 | Grossular garnet鈣鋁榴石 |
Washington華盛頓 | Petrified wood (1975)矽化木 | ||
West Virginia西維吉尼亞 | Bituminous Coal (2009)煙煤 | MississippianLithostrotionellafossil coral (1990)珊瑚化石 | |
Wisconsin威斯康星 | Galena (1971)方鉛礦 | Red granite(1971)紅花崗岩 | |
Wyoming懷俄明 | Wyoming Nephrite Jade(1967)懷俄明軟玉 |
