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SP1006 Septarian

SP1006 Septarian

$30.00

Here is a very nice Septarian sphere from Madagascar. It measures 2 3/4″ in diameter and has a good polish.  It has a good amount of beautiful Yellow Calcite with plenty of dark Brown Aragonite and even some subtle “rainbow” reflections all in a very different design. This cool sphere would be a great addition to any sphere or Septarian collection.

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

Weight1.5 lbs
Dimensions2.75 × 2.75 × 2.75 in

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