Vintage bracelet gold tone hinged bangle Chinese Asian style brown

Beautiful vintage bracelet Dark brown, almost black, sections with gold tone metal fittings The black/brown pieces are hard and cool to the touch, maybe stone or glass? Safety chain Push in clasp with low-set push release button that is flush with the surface of the bracelet. Measures approx 2 3/8" across inside opening. It's in good preowned conditon. Measures approx across inside opening. Ships fast! BUFFj81888LH7J4E maybe jade jadeite onyx agate? china women jewelry