Necklaces and Earrings Set. Pink rock.

Two piece necklace and earring set. Not sure what the material is, but it seems to be some kind of pink rock with what appears to be brass spacers. Long necklace is about 15 inches long. Shorter necklace is about 7.5 inches. Earrings are about 1 inch. Both necklaces are screw closures. Earrings are hooks. Please feel free to ask questions.