Ever break open a geode and see the beauty inside? Learn how those crystals formed, as well as the mineral formations in thunder eggs and concretions.

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agate geode, formation of concretions, formation of geodes, mineral deposits, thunder eggs, volcanic geodes, australian museum: concretions, thunder eggs and geodes, structure of minerals

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Classroom Considerations

Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)

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