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Septarian Nodule (Dragonstone) for Mineral & Fossil Collectors #16705 198o


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Septarian nodules are unique and beautiful stones that were formed about 50-70 million years ago.  The outside of a rough septarian nodule is quite plain, but once cut and polished, they have beautiful and intricate patterns and crystals inside.   Septarian nodules are made up of several minerals – an outer, gray layer of limestone, yellow calcite and white/clear barite crystals inside, and veins of brown aragonite which give these stones their septated and “cracked” appearance.

This septarian nodule measures 8 inches in length and 3 3/4 inches in height.

We have a variety of fossils available so be sure to check out our other listings!