Natural Geodes VS. Man-Made Geodes: A 2025 Comparison

What is a Geode? A geode is a rock with a hollow interior lined with crystals. Geodes are formed when gas bubbles in lava or other molten rock cool and crystallize. The crystals can be of any mineral, but the most common are quartz, calcite, and amethyst. Natural Geodes Natural geodes are formed over thousands […]

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