Vintage Black and silver tone Large HEART EARRINGS and NECKLACE

Pre-loved Vintage heart earrings and Necklace Necklace has center heart and black seed beads Necklace measures 15.5 inches in length Necklace has hook clasp and fits like a choker Earrings Measures about 2.5 inches long Has cha-cha’s that dangle at bottoms of hearts Backs are hooks Unknown metal type? Looks to me like Tibetan silver The black inside the hearts does not seem to be a stone for it is not cold to the touch, so I’m ruling out it be black onyx But these are such beautiful statement piece earrings!!!! Would go great with red clothing on Valentines Date💗