Real geodes are handball-sized, hollow rocks that start out as bubbles in volcanic or sedimentary rock. Only when these inconspicuous round rocks are split in half by a geologist, do we get a chance ...
How World's Largest Geode Grew to Half Size of Small Room | RealClearScience Most geodes—hollow, crystal-lined rocks—can fit in the palm of your hand. But the giant Pulpí Geode, which is about half ...
Most geodes—hollow, crystal-lined rocks—can fit in the palm of your hand. But the giant Pulpí Geode, which is about half the size of a small bedroom, fills part of an abandoned mine in southeastern ...
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