Vintage Caged in Silver Tone Metal Pale Blue Green Stone Pendant Necklace

vintage very pale blueish / greenish polished stone inside a twisted cage of silver tone metal pendant unique piece very watery and soft look I have added a brand new pale silvery blue fabric cord necklace with silver tone lobster claw clasp in good vintage condition ~ there is some tarnish on the metal measurements: cord ~ approx 17" + 2" extender pendant ~ approx 1.5" including bale