Polished Septarian Spheres x 4 From Mahajanga, Madagascar POLISHED / NATURAL Size = 108 - 124

Size = 108 - 124 mm

sometimes adorned with delicate black Chromite specks

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Featuring vibrant ruby corundum embedded within a striking green Chrome Verdite matrix

but every other colour is also mined and far more regularly

Polished Septarian Spheres x 4 From Mahajanga, Madagascar POLISHED / NATURAL Size = 108 - 124PRODUCT 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