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| image = [[File:Black-banded Ironstone.jpg]]
| caption = This image shows a 2.1 billion years old rock containing black-banded ironstone, which has a weight of about 8.5 tons. The approximately two meter high, three meter wide, and one meter thick block of stone was found in North America and belongs to the National Museum of Mineralogy and Geology in Dresden, Germany.
<p>A rock with large amounts of iron compounds.</p>[[Category:Natural History Glossary]][[Category:WIP]]