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SP1006 Septarian

SP1006 Septarian


Here is a very nice Septarian sphere from Madagascar. It measures 4″ in diameter and has a good polish.  It has a good amount of beautiful Yellow Calcite with dark Brown Aragonite all in a very different design. This cool sphere would be a great addition to any sphere or Septarian collection.

In stock


Septarian, also known 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 3.75 lbs
Dimensions 4 × 4 × 4 in

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