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SEP402 Septarian Sphere

SEP402 Septarian Sphere


Here is a beautiful Sphere carved from a Septarian Nodule from Madagascar.  This unique Septarian sphere has a large and deep center cavity that shows the dark crystal center.  It has an interesting exterior design of Brown Aragonite.  It measures approximately 4 3/4″ in diameter with a nice exterior polish and weighs over 4 3/4 pounds. This sphere comes in 3 sections and fits together perfectly like a puzzle. Display in whole or in parts. The interesting sphere would make a great gift or a nice addition for your collection.

In stock


Septarian, also know as a type of Concretion, is a volume of sedimentary rock in which a mineral cement fills the porosity.  Concretions are often ovoid or spherical in shape.  They form within layers of sedimentary strata that has already been deposited.  It is composed of a Carbonate mineral such as Calcite, a Silica such as Chert, Flint or Jasper or an Iron Oxide such as Goethite or Hematite.  It is commonly found in Shale, Siltstones and Sandstones.


Additional information

Weight5.25 lbs
Dimensions4.75 × 4.75 × 4.50 in

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