This matched pair is cut from hickoryite from Mexico.  It was hand cut in my cutting shop.  The polish is good the edges are cut for setting the stone in a bezel and the bottoms are flat.          NICE!!

SIZE:(in millimeters) 27 x 15 x 3 MM THICK EACH STONE. 
WEIGHT(Carats): 20 TOTAL WEIGHT OF BOTH STONES.
DOME: SLIGHTLY DOMED.
BOTTOM: FLAT.  
EDGE:  GOOD FOR BEZEL 
POLISH:  GOOD.