Weird natural concretion from glacial deposits Ontario - use your imagination!
Fairy Stones, sometimes known as Goddess Stones or Menilite Opal, are unusual minerals composed of calcium carbonate and clay. The “disc”, which is common slang to describe their structure, can sometimes be formed over small pebbles and even fossils. Many tribes and societies have used Fairy Stones in their culture, giving it many different names. It wasn’t until the Algonquin Tribe of Northern Quebec officially coined them “Fairy Stones”.
