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 cracks crystals desiccation dragon egg fill formed gem geode geology hidden matter millions minerals mud nodule nodules often organic oval pressure sealed septarian silica specimen state trapped underwater years

Dragon Egg Nodule - A Hidden Gem For Collectors Royalty-Free Stock Photo


Dragon egg nodule - a hidden gem for collectors Stock Photo
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Dragon egg nodule - a hidden gem for collectors #225452199
Description

Septarian `dragon` nodules are formed when mud and organic matter are trapped and sealed by pressure and desiccation millions of years ago in a cemented state. These are often formed underwater and any cracks fill with minerals and crystals of silica or calcite.

An autumn meadow hawk dragonfly
An autumn meadow hawk dragonfly
An autumn meadow hawk dragonfly
Paleontologist holding a dinosaur egg in his hands on the background of the desert, close-up
Paleontologist brushes a rounded ovoid fossil in a desert

Fossilized Mud Bubbles of Septarian Rock Nodules