Green opal is a beautiful, mossy-green stone with semi-translucent layers of colors and veining.  The stones are paired with a 4mm sterling silver round bead and a sterling rondelle, and wrapped in a sterling wire.

Total length from the top of the sterling silver earwire:  1.25 inches

The stones are 14 mm square...9/16 of an inch, with rounded corners, and the stones are 3/16 inches thick.  

The length of the stone & silver drop is 3/4 inches.