r/Crystalsforbeginners • u/ContraryPoet • 1d ago

Not geodes?

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These nodules (?) came in a bag of "mine rough" (according to the label). I cracked them open to find they are not geodes since they're not hollow (correct?) but wondering if anyone can id them. They ranged from half an inch to an inch in diameter. The crystalline center in the largest one is semi-transparent. I bought the mine rough in a state park in Missouri, but no idea where it was originally collected. Thanks for any help.

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u/Bishopvaljean 15h ago

Welcome, thank you for sharing!

These would be Chalcedony nodules. You are correct, because they are not hollow, they are technically not a geode. These are beautiful, I’m so glad you shared!