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SEP309 Septarian Sphere

SEP309 Septarian Sphere

$25.00

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 2 1/2″ in diameter and has a good 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

Weight 1.00 lbs
Dimensions 2.5 × 2.5 × 2.5 in

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