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SEP403 Septarian Disc

SEP403 Septarian Disc


SEP403:  Septarian – cut and polished, from host Concreation.
                   Locality – Utah.
                   Mineral Content – Yellow Calcite and Brown Aragonite boarders.

Approximate measurements: 4 7/8 X 2 5/8″

Availability: Single item, exclusive.

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

Weight3 lbs
Dimensions5 × 3 × 0.50 in

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