Verde D’Arno, Green Limestone from Italy

Verde d'Arno (or Lineate d'Arno) which is a rare variety of "pietra paesina" or "ruin marble” comes from the Arno valley in Italy. These stunning and large flat cabochon gems remind me of a Wayne Thiebauld sky…. 52.99 total carat weight, 30.37mm top to bottom.