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Nebraska State Gemstone:
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Nebraska designated blue chalcendony (commonly called blue agate) as the official state gemstone in 1967. Blue chalcedony is a pale stone which sometimes has a dark internal form with bands of blue and white and often has a colorless streak. Blue agate is often used to make jewelry. Blue agate is found in northwestern Nebraska, where it formed in wind-blown silt and claystone deposited in the Chadron Formation of the Oligocene Age. |
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Source: |
Nebraska's state symbols (PDF): Nebraska Legislature online
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Links: |
Geological Symbols - 50 States List |
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What are your State Symbols?
 State Symbols USA is a nonprofit organization promoting appreciation for our natural treasures and cultural heritage.  |
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Nebraska Symbols & Icons: |
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bird - mammal |
flag - seal |
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State Symbols USA on Facebook |
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