The Brazilian Agate Free Form measures approx. 57 x 110 mm: thickness 59 mm: weight is 450 grams. 
 
Brazilian Agate and Piranha Agate are very beautiful, banded agates. Brazil has the most massive deposits of agate in the world and they are found in southern Brazil. The area has the largest known basalt flow on earth, with the agate being 130 million years old.