These are large Christian cross made form authentic Dominican Larimar.  Approximately 1.5" X 1".  The Larimar used for the crosses is very unique, containing large amounts of red and green Larimar in addition to the normal blue.  The multicolor Larimar is highly sought after and colored Larimar is considered one of the rarest stones on earth.
 
When ordering, you will receive one of the crosses shown, or a piece with similar size and coloring.