

Thunder Egg Geode
Often mistaken for a simple rock from the outside, this genuine thunder egg holds a striking surprise inside. Once cracked open, it reveals swirling agate patterns in layered shades of white, gray, and brown with a soft, satiny center and occasional quartz sparkle. The internal design is formed naturally by volcanic activity—no two thunder eggs look alike, making each one a geological wonder.
Key Features:
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Authentic thunder egg formation, not artificially enhanced
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Formed from ancient volcanic ash, lined with agate and quartz
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Earth-toned patterning perfect for rustic or natural-themed décor
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Excellent educational piece or collector’s item
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Smooth cross-section shows off inner crystal cavity and banded agate
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Locally sourced and selected by a Michigan small business
Category: Crystals & Collectibles
Color: Natural Stone Brown Exterior, White and Gray Interior
Material: Volcanic rock with agate and quartz center
- Color = Beige
- Function = Decor
- By = Pirate Booty and Crystal Treasures
- Room = Any
Item Number: 206-711
Item ID: 23920
Category: Decorative Pieces