Polished Septerye (Calcite & Aragonite) Free Forms x 6 From Mahajanga, Madagascar LAPIDARY concentric rings of deep and

concentric rings of deep and light greens

adding a unique

and colourless

solid blue hues

Size = 77 - 94 mm

Polished Septerye (Calcite & Aragonite) Free Forms x 6 From Mahajanga, Madagascar LAPIDARY concentric rings of deep andPRODUCT 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