| State |
Mineral |
Rock or Stone |
Gemstone |
| Alabama[1] |
|
|
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| Alaska[2] |
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| Arizona[3] |
|
|
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| Arkansas[5] |
|
|
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| California[6] |
|
|
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| Colorado[7] |
|
|
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| Connecticut[8] |
|
Connecticut's nickname is the Brownstone State
|
|
| Delaware[9] |
|
|
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| Florida[10] |
|
|
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| Georgia[11] |
|
|
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| Hawaiʻi |
|
|
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| Idaho[13] |
|
|
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| Illinois[14] |
|
|
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| Indiana[15] |
|
|
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| Iowa[16] |
|
|
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| Kansas |
|
|
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| Kentucky[17] |
|
|
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| Louisiana[18] |
|
|
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| Maine[19] |
|
|
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| Maryland[20] |
|
|
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| Massachusetts[21] |
|
|
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| Michigan[22] |
|
|
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| Minnesota[23] |
|
|
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| Mississippi[24] |
|
|
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| Missouri[25] |
|
|
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| Montana[26] |
|
|
and
|
| Nebraska[27] |
|
|
|
| Nevada[28] |
|
|
Precious
Gemstone: Black fire opal
|
| New
Hampshire[29] |
|
|
|
| New
Jersey[30] |
|
|
|
| New
Mexico[31] |
|
|
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| New
York[32] |
|
|
|
| North
Carolina[33] |
|
|
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| North
Dakota[34] |
|
|
|
| Ohio[35] |
|
|
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| Oklahoma[36] |
|
|
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| Oregon[37] |
|
|
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| Pennsylvania[38] |
|
|
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| Rhode
Island[39] |
|
|
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| South
Carolina[40] |
|
|
|
| South
Dakota[41] |
|
|
|
| Tennessee[42] |
|
and
Tennessee Paint Rock Agate (1969)
|
|
| Texas[43] |
|
|
Gem Cut: "Lone Star Cut" (1977)
|
| Utah[44] |
|
|
|
| Vermont[45] |
|
and
and
|
|
| Virginia[46] |
|
|
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| Washington[47] |
|
|
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| West
Virginia[48] |
|
|
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| Wisconsin[50] |
|
|
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| Wyoming[51] |
|
|
|