Polished Septarian Spheres x 4 From Mahajanga, Madagascar ARCHITECTURAL / GARDEN Size = 227 x 162

Size = 227 x 162 x 36 mm | 8

Size = 115 - 140 mm | 4

Size = 74 - 103 mm

Size = 67 - 108 mm | 2

with only a limited quantity ever mined and processed

Polished Septarian Spheres x 4 From Mahajanga, Madagascar ARCHITECTURAL / GARDEN Size = 227 x 162PRODUCT INFORMATION General Description Septarian Nodule, affectionately known as Dragon Eggs, is a tri color 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