Septerian Agate fossils This results in the distinct

This results in the distinct banding pattern that gives the sphere its name

Weight: 870 grams

- Location: Illinois

- Crystal System: Isometric

over 100 million years old

Septerian Agate fossils This results in the distinctSize: 8 x 6 x 5 Cm (Avg) Weight: 345 Gram (Avg) Location: Madagascar Product Description Polished septarian agate is a stunning natural stone known for its distinct patterns and textures, formed from a combination of minerals such as calcite, aragonite, and limestone. It typically features striking contrast between its honey yellow calcite sections, dark brown or black aragonite veins, and soft grey limestone. This unique mix creates a mosaic like