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Colorado State Gemstone:
Aquamarine crystal photo © IndyGem Gallery (used by permission)
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Aquamarine was recognized officially as the state gemstone of Colorado in 1971.
 
Photo of cut and polished aquamarine gemstones © International Colored Gemstone Association (ICA): Aquamarine (used by permission)
Aquamarine photo © International Colored Gemstone
Association (ICA): Aquamarine (used by permission)
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Source:
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Links:
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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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