The coast of Otago on the South Island of New Zealand is known for a strange and still unexplained nature phenomenon.
Huge stone balls coming from the sea wash on beaches… The so-called Moeraki Boulders.
These stone balls are found either singly or in groups and can reach a size of up to 2.5 meters in diameter.
The exact formation process of the Moeraki boulders is not fully understood.
These stone balls contain mud, clay and fine clay, which are held together by calcite. Moreover, new specimen are always discovered.
These strange calcite balls resulted in a multitude of legends and myths.