65mm Polished Septarian Sphere Australian Zebra Jasper This black obsidian skull measures

This black obsidian skull measures under 4" long and has an unpolished matte finish with a smooth

Hubei Province

The mossy green hues of the agate are simply captivating

This finely polished Septarian sphere has earthy tones in yellow

60" x W: 1

65mm Polished Septarian Sphere Australian Zebra Jasper This black obsidian skull measuresSeptarian nodules, also known as septarian balls or dragon eggs, are concretions formed from clay, silt, and minerals naturally cemented together over millions of years. When a septarian nodule is carved and polished into a round sphere, it becomes a unique and beautiful decorative piece. The sphere will have a smooth, glossy finish and showcase the intricate patterns and color variations characteristic of septarian nodules. Approximate Size: 65mm (2.