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![An image of a brown sphere with lines all over.](https://eldonhouse.ca/wp-content/uploads/2024/03/Geode-a-1-1024x683.jpg)
Country of Origin: USA
Year: ca. 1910
Materials: Stone and crystal
Geodes are spherical or oblong rocks filled or partially filled with minerals, most often quartz. The quartz can be massive, crystalline, or layered, which is a variety called agate. This rock was kept at the front door of Eldon House and used as a doorstop.