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SEP308 Septarian Egg

SEP308 Septarian Egg


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 4 1/8″ tall x 2 3/4″ in diameter with a good outer polish.  A very nice piece for your Septarian 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

Weight1.50 lbs
Dimensions4.125 × 4.125 × 2.75 in

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