I love these unusual green beads and have not seen any others like these. Unfortunately, I only had a few so I've used them in earrings to spread the joy. They and the blue and purple beads are vintage. The purple beads are equally unusual but I know more about them. They are Czech glass, probably formed in a mold.

The ear wires are hypoallergenic niobium, a metal with the additional property that when heated you can get a controllable color change (depends on the temperature they are subjected to.