Vintage rhinestone earrings pin set earthy-tones

This is such a pretty set the crystals are in gorgeous earth tones and sparkle when the light catches them . I am not sure of the metal composition it is however a gold tone The earrings are clip on's and still tight The brooch/pin measures 2.5" long x 1.5 wide earrings are 7/8" long x 1/2' wide brooch weighs 13.8 grams earrings weigh 6.2 grams together 20 grams