Description
This is for the Fairy Ring specimen (Clay Concretion) from Washington State USA, pictured (approx 9.5cm and 8.5cm outside diameter x 2cm thick).
Fairy Ring Specimen (Clay Concretion)
One continuous ring, no beginning and no end ... Soothing, calming and grounding. Each one is a unique natural phenomenon, a genuine creation of Mother Nature. Micro-organisms are responsible for these natural beauties - they consist of Calcium Carbonate (Calcite).