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BARITE CRYSTALS - Isle of Sheppey, Kent

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Home > MINERALS > MINERALS FROM BRITAIN AND IRELAND FOR COLLECTORS > SOUTHERN AND EASTERN ENGLAND
  
BARITE CRYSTALS ON CALCITE

Isle of Sheppey, Kent
 
On the north coast of the Isle of Sheppey in Kent the London Clay cliffs contain large ‘septarian nodules’, which contain cracks lined with calcite. Beautiful white or translucent crystals of barite are found perched on the calcite. This specimen is a good example.

Septarian nodules are round concretions containing a network of internal cracks that have been filled with minerals, particularly brown and yellow 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.  The process that created these nodules is still not fully understood. 

Click on a picture for a larger image

Size:  7 x 7 x 6 centimetres
Weight:  409 grams

PRICE: £24.00
BARITE CRYSTALS -  Isle of Sheppey, Kent
BARITE CRYSTALS -  Isle of Sheppey, Kent BARITE CRYSTALS -  Isle of Sheppey, Kent BARITE CRYSTALS -  Isle of Sheppey, Kent BARITE CRYSTALS -  Isle of Sheppey, Kent