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SEP410 Septarian Sphere

SEP410 Septarian Sphere


This is a very nice Sphere carved from a Septarian Nodule from Madagascar.  It measures 4 3/8″ in diameter.  It has a nice polish on the smoothed exterior and has a dark, yet sparkly Aragonite exposed center cavity.  A must have for any 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

Weight3.5 lbs
Dimensions4.375 × 4.375 × 4.375 in

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