Geode Halves

Location: Zactatecas, Mexico

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25 items left


  • Ships in 3 - 6 days within the US. Orders over $50 ship free!
  • Includes info card and Certificate of Authenticity.
  • Your purchase will match the quality of the items shown.

This listing includes display box. The item you receive will not be the same as shown in the photos but will be similar in quality to the ones shown above!

Sizes 10-30 millimeters 


Geodes are one of the most captivating naturally occurring geological formations.  They begin to take shape through natural processes within the Earth. Originating as hollow cavities within sedimentary or volcanic rocks, these voids are often the result of gas bubbles or organic material decay. Over time, mineral-rich water seeps into these cavities, carrying dissolved minerals like silica, calcite, and various metal compounds. As the water gradually evaporates or undergoes chemical changes, the minerals precipitate and crystallize, forming layers within the cavity.

One notable location for geode formation is Zacatecas, Mexico, renowned for its abundant and diverse geode deposits. Which is where these specimens come from. The unique geological conditions in Zacatecas contribute to the development of these spectacular structures. The formation process varies, resulting in geodes displaying a mesmerizing array of crystals, colors, and sizes. From quartz crystals to vibrant amethyst formations, geodes stand as geological masterpieces, providing a window into the intricate processes occurring beneath the Earth's surface.


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