18K-WG GREEN TOURMALINE AND DIAMOND BROOCH / PENDANT (CAN BE WORN AS EITHER) WITH AN ABSTRACT DESIGN. FEAT. EM. CUT GREEN TOURM.= 3.50 CT. AND DIA.= 0.30 CT. ATTACHED TO 18K-WG DIA. CHAIN WITH 0.40 CT. 16 INCHES LONG. TW= 16 GRAMS. 45 X 40 MM. SIZE. CIRCA 1970S.