2.9 Inch Septarian Turtle Back Mahajanga is a port city

Mahajanga is a port city on the north coast

000 different species identified

near the Libyan border

Weight: 0

Gingko biloba

2.9 Inch Septarian Turtle Back Mahajanga is a port citySize: 2. 9 x 1. 0 in. Weight: 5. 1 oz This small septarian nodule is perfect for any collection or desktop display! Septarian forms in "nodules." These concretions are essentially fossilized mud bubbles that began forming during the Cretaceous Period between 50 to 70 million years ago. Its name is derived from the word "septum" meaning partition. As you can see in the photos, these specimens are composed of 3 different minerals, calcite (yellow),