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SEPTARIA - cut in half and polished - Atlas Mountains, Morocco

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Home > MINERALS > DECORATIVE STONES FOR HOME OR OFFICE

SEPTARIA

A beautiful septarian nodule
cut in half and polished


Atlas Mountains, Morocco
 
Septarian nodules, or 'septaria', are remarkable natural objects.  They are round concretions containing a network of internal cracks that have been filled with minerals, usually calcite. No traces of the cracks are visible on the surface of the nodule.  


The cracks are called ‘septa’ from the Latin word septum or ‘partition’, which gives the nodules their name.  Exactly how these nodules were formed is still not fully understood. 

This is a small example has been selected for its attractive pattern of calcite 'septa'.

Click on a picture for a larger image


Size:  6.5 x 5 x 1 centimetres
​​​​​​​(size of each half)
​​​​​​​Weight: 184 grams (weight of both halves)

​​​​​​​(Price is for both halves)

PRICE: £18.00
Sorry, this item has been sold or is out of stock