This matched pair is cut from chrysocolla, malachite and cuprite.  From the near the Ray Mine mine near the town of Hayden, Arizona in the U.S.A.  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.

SIZE:(in millimeters) 19 x 12 x 4 EACH STONE.
WEIGHT(Carats): 17.5 TOTAL WEIGHT OF BOTH STONES.
DOME: SLIGHTLY DOMED.
BOTTOM: FLAT.  
EDGE:  GOOD FOR BEZEL 
POLISH:  GOOD.