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SEP209 Septarian Egg

SEP209 Septarian Egg

$50.00

SEP – Septarian: cut and polished, from host Concreation. Locality – Utah. Mineral Content – Yellow Calcite and Brown Aragonite boarders.

Approximate measurements: 4 5/8 x 3 3/8″.

Availability: Single item, exclusive.

In stock

Description

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 2.5 lbs
Dimensions 4.625 × 5.625 × 2 in

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