Aragonite (Sprudelstein), a carbonate mineral precipitated from or around hot water sources. It is a polymorph of calcite having the same chemistry (C

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Aragonite (Sprudelstein), a carbonate mineral precipitated from or around hot water sources. It is a polymorph of calcite having the same chemistry (CaCO3) but different structure, symmetry and crystal shapes. From the Karlsbad caverns in Czech Bohemia.

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Photo credit: © DIRK WIERSMA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: aragonite, bohemia, caco3, calcite, carbonate, caverns, czech, environment, geological, geology, hot, karlsbad, mineral, nature, polymorph, rock, source, sprudelstein, water