Sterling silver, labradorite.  A gorgeous pair of smooth surfaced Labradorite, prong set with an open back to show off the back of the stone as well, statement earrings for sure!  2-1/4" long from the post by 3/4" wide.
Please look at the close up photo, as there are surface impurities that are natural to this stone  
(Please look at the video as it will give you a better idea of the color of the stone)
Exchanges only please.