Prehnite & Black Rondelle Faceted Gemstone Beads with a Prehnite Pendant Findings are Sterling Silver, Toggle clasp
Necklace is 17," Pendant is trimmed in silver. No markings, I think the black beads are onyx, possibly Jet, can't remember
I used to make Jewelry and this is one left from a show. Never worn, The silver findings have tarnished a bit but a lovely necklace.