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Geodes demand centuries to be created and illustrate the marvelous feats possible in the natural world. Formed from cavities created by the consistent flow of water, geodes are an eternally entertaining geological formation for all ages from young children to seasoned adult connoisseurs.

A brilliant mineral manifestation, geodes form in the cavities of sedimentary or ingenious rock left behind by an air bubble. The shell of these stones is porous, and when water passes over them, the mineral content of that water can seep into the pores, leaving deposits in the interior void. Mineral crystals then slowly build over time, some taking thousands or even millions of years to form.

Resulting from this extended process is a breathtakingly beautiful network... Read more

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