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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.
The outer shell of an agate geode is usually made of solid rock which can be seen on the back, while the inner cavity is lined with a variety of minerals, primarily agate. Agate is a type of chalcedony, which is a microcrystalline variety of quartz. The layers of agate within the geode can display a wide range of colors and patterns, making each geode unique.
