Septarie ball

Septarie ball from Madagascar

Diameter approx. 12,3 cm

You buy of course exactly this pictured dragon eye

Septarian spheres are known by a variety of different names including dragon eggs, dragon eyes, thunder eggs, calcite nodules
The perfect piece for the collector or for a wonderful addition to your crystal collection
This septarian sphere from Madagascar is a combination of several rock types that come together in a nodular calcite mud. This sphere is rich in calcite and sometimes tridymite
Septarian spherules are septaria, concretions formed by the precipitation of minerals, especially calcite, in a cavity in sedimentary rocks such as limestone.
It has been polished, but not ground, to show off the sparkling colors of the mud in which it was formed.

Septarie stands for accessibility, septariums are supposed to help to stay firm in difficult stuations without closing up