Buddstone is the name commonly used by lapidarists and collectors for metamorphosed chert with distinctive contorted green and white layers that give the rock a swirling appearance. The attractive green colour is caused by the contamination of green minerals; Chlorite, Epidote or Fuchsite.
You will receive the exact Egg pictured, so you know precisely what you're buying!
NB: This item was formed by nature and may have inclusions and markings