🔎 UNIDENTIFIED Blue/purple stone needing identification

JayG83

Jr. Member
Dec 27, 2021
33
33
Abilene, TX
Primary Interest:
All Treasure Hunting
Discovered in Sweetwater, TX
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TheCannonballGuy

Gold Member
Feb 24, 2006
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It's what Fat said... a flint/chert nodule. (Flint is a variety of "unweathered" chert.) The exterior of your nodule is what geologists and rock-hounds call weathered, meaning, exposed to air and rainwater or groundwater, etc, for hundreds or thousands of years. To see more like it, google-search "Chert Nodule" and "Flint Nodule."
 
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Treasure_Hunter

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Jul 27, 2006
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Florida
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Primary Interest:
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Looks like a chert nodule, chert comes in many different colors too.
 
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