Polished Septarian Spheres x 4 From Mahajanga, Madagascar POLISHED / NATURAL The sheer contrasts of colour

The sheer contrasts of colour which characterises this material make them very attractive

Size = 113 - 162 mm | 4

Size = 35 - 72 mm | 1

Size = 160 - 190 mm

sometimes adorned with delicate black Chromite specks

Polished Septarian Spheres x 4 From Mahajanga, Madagascar POLISHED / NATURAL The sheer contrasts of colourPRODUCT 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