Septarian geode half
Septarian geodes were formed on ancient sea floors during the Cretaceous Period some 50 - 70 million years ago. Composed from sediments, grey limestone, brown aragonite and golden calcite, they cracked into a seven star configuration from which their name is derived. This specimen from Utah in the USA has been cut and polished to enhance the beautiful pattern.
Septarian geode half |
£ 122.34 |
Height: 19cms
Width: 19cms
Weight: 3.7kg
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