• Septerian Nodule Necklace


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    Septerian Nodule Necklace 

    Pendant Size:2in X .5in X 2.75in

    Septarian's formed between 50 to 70 million years ago. As a result of volcanic eruptions, dead sea life was chemically attracted to the sediment around them, forming mud balls. As the ocean receded, the balls dried and cracked. Due to their bentonite content they also shrank in size, creating the cracks inside. As decomposed shells seeped down into the cracks in the mud balls, calcite crystals formed.