Geodes: The rocks with a crystal surprise inside!

Geodes are spherical rock structures with an internal cavity that is often lined with quartz crystals and banded agate. Some are lined with more mundane or spectacular materials.

Oh My Geode – Rocks with a Surprise

One Sparkly Geode Coming Right Up! #sparkles #geode #crystals #gems

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The World's Most Amazing Geode Formations

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White Geode Rock Raw Crystal Cave Druzy Stone Split Geode Whole Geode Crystal Rock - Sweden

Clear Quartz Crystal Geode (Half) – Rock Paradise

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Break Your Own Geodes, Extra Large ( 2.5-3 inches) Easy Crack Open & Discover Surprise Crystals Inside, Includes Educational Information, Fun Party Favors and Prizes, Dancing Bear Brand – Dancing Bear's Rocks and Minerals

Deluxe Gift Pack 10 Break Your Own Quartz Geodes Plus 5 Cut Half Geodes Mexican Trancas Thunderegg Druzy Mist Choyas Moroccan

Break Open 2 Jumbo Geodes - These Large Rocks Have Crystals Inside by

Break Open 2 Jumbo Geodes - These Large Rocks Have Crystals Inside by