PART OF A JEWELRY STORE LOT WE PURCHASED, THESE 3 PIECES COULD BE SOME FORM OF PLASTIC BUT ARE SO UNIQUE. THE HALF MOON IS 1 INCH LONG, THE OVAL IS 3/4 INCH AND THE LAST PIECE IS TWO PARTS, EACH TRIANGLE IS 1/2 INCH.  THE CENTER IS EITHER PIECES OF GOLD METAL OR MADE TO LOOK THAT WAY.  I AM HOPING SOMEONE CAN FIND A USE FO THEM