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SEP300 Septarian Free-form Set.

SEP300 Septarian Free-form Set.

$30.00

SEP300: Septarian Free-form – Set of 3  – Selection: Polished back with rough, front facing, crystalized brown aragonite. White calcite deposits exist in one of the three pieces. 

Approximate measurements: LxWxH – Between – 3 5/8” x 1 1/2” x 1 3/4”, and, 3 5/8” x 1 1/2” x 3 3/8”. 

Availability: One set of 3 pieces, exclusive.

In stock

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

Weight 1.5 lbs
Dimensions 3.63 × 1.5 × 3.38 in

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