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SEP308 Septarian Egg

SEP308 Septarian Egg

$20.00

This is a very nice Septarian Egg from Madagascar.  This awesome  Egg has cool Calcite crystals in an open cavity that shows the beautiful dark crystals  and contrasting Brown Aragonite borders.  It measures 2 1/2″ tall x 3 1/4″ in diameter with a good outer polish.  A very nice piece for your Septarian collection.

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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

Weight1.00 lbs
Dimensions2.50 × 2.5 × 3.25 in

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