Agate Stone Coaster

Agate stone is a form of a rock formation. Agate stone has some primary components of chalcedony and quartz and Agate stone offers variety of colour as a constituent. Agate stone was named by Theophrastus, a Greek philosopher and naturalist. He discovered Agate stone along the shores of Dirillo River or Achates as far back as the 4th and 3rd centuries BC.