Agate is a silica colloidal solution formed after lose water in rock hole, due to the formation of the process is very slow, so is a layer from outside and condensation, each layer of color due to the content of trace elements of different, so open visible various primary ring ribbon stripes.

Moss agate, also known as Tencel agate, a mixed with green or color  inclusions . Because the agate internal landscape and unique, as a natural green ribbon winding.so named moss agate.