Septerian Agate fossils - Type: Chalcedony (cryptocrystalline quartz)

- Type: Chalcedony (cryptocrystalline quartz) with iron oxide inclusions

Weight: 162 gram

Brazil is renowned for producing some of the world's finest amethyst crystals

Weight: 870 grams

Septerian Agate fossils - Type: Chalcedony (cryptocrystalline quartz)Size: 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