4 PC AUSTRALIAN OPAL TURTLE FAMILY: Sweet mom, dad and 2 kids Australian opal turtle family. The black base of each turtle has natural Australian opal inlaid to define the back of the shell. The eyes are defined with an unknown stone. They measure 3.5'' long by 2'' wide, 2.5'' l x 1.5'' w, 1.25'' x .625'', 1'' x .5''. Total weight 143.grams.