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SEP309 Septarian Sphere

SEP309 Septarian Sphere

$90.00

Here is something different for the Septarian collector.  This is a gorgeous Septarian sphere from Madagascar with lots of character.  This beautiful sphere has pretty pale Yellow Calcite that contrasts the Brown Aragonite with an outstanding design.  This wonderful sphere measures 4 1/2″ in diameter and has an excellent polish.  A super start for a new Septarian collection or add to your own.

In stock

Description

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

Weight5.00 lbs
Dimensions4.5 × 4.5 × 4.5 in

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