Size: 5.90" = 15cm (incl. stand)

An agate geode is a fascinating and beautiful geological formation that's prized for its intricate and colorful interior. 

Agate geodes are typically formed in volcanic rocks. They begin as gas bubbles or cavities within molten lava. Over time, mineral-rich water seeps into these cavities and slowly deposits minerals, layer by layer. This gradual deposition of minerals, often silica, leads to the formation of concentric bands or layers inside the geode.