Polished Septerye Hearts x 6 From Mahajanga, Madagascar Self Healed Size = 142 - 171

Size = 142 - 171 mm

in which case it would be jointly classified as both an Agate and Carnelian

While not a true Emerald

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Polished Septerye Hearts x 6 From Mahajanga, Madagascar Self Healed Size = 142 - 171PRODUCT DESCRIPTION Septerye Natures Ancient Masterpiece Discover the captivating beauty of Septerye, unique tri color concretions made of Aragonite (brown), Calcite (yellow), and Limestone (grey). Formed 50 to 70 million years ago during the Cretaceous Period, these nodules originated from volcanic sediment mixed with the remains of ancient marine life. As the oceans receded, internal cracks developed, later filled with Aragonite and Calcite