Where can geodes be located?


Quick Answer

Geodes exist in locations across the world, but are most commonly located in deserts, volcanic ash beds and regions containing limestone. In the United States, geodes are commonly found in California, Iowa, Arizona, Utah and Nevada.

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Full Answer

A geode is a hollow rock in which crystals form over time as a result of water running through it or because a piece of organic matter, such as a piece of coral or wood, becomes trapped in the sediment and crystallizes over time. The composition of crystals in each geode is unique. Geode contains anything from quartz to silica to amethyst and more. Geodes discovered in mines in Brazil often contain soapstone and various types of quartz, while geodes discovered in central Spain often contain gold-laced hematite.

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