Polished Septerye (Calcite & Aragonite) Hearts x 6 From Mahajanga, Madagascar Arts - Craft r-adyw6z{font-size:20px

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polished to perfection by expert lapidaries

Size = 70 - 90 mm

Size = 43 - 60 mm

a mineral of the Quartz family

Polished Septerye (Calcite & Aragonite) Hearts x 6 From Mahajanga, Madagascar Arts - Craft r-adyw6z{font-size:20pxPRODUCT INFORMATION General Description Septarian Nodule, affectionately known as Dragon Eggs, is a tri colour concretion comprised of Aragonite (brown), Calcite (yellow), and Limestone (grey). The name "Septarian" originates from the word "Septaria," typically associated with concretions that exhibit internal cavities or cracks. This extraordinary mineral traces its origins back 50 to 70 million years ago, during Earth's Cretaceous Period, in a