Set of 3 vintage polished natural stone stick pins

Set of 3 vintage polished natural stone stick pins. Uncertain of type of stone. One is mostly green with some pink, one mostly rosy pink with a little green and one a little bit brighter pink. Goldtone settings. The 2 larger stones are 1/2" in diameter, smaller 3/8". 2-1/2" long. One pin is missing its end piece. Otherwise great vintage condition.