Faux druzy stone (material is resin) in an array of bright colors and metallics. All are set on a 8mm silver or gold tray (material is silver plate over brass or gold plate over brass, nickel and lead free).
Pink Spinel raw stones from Tanzania are claw set on 14k gold fill posts.
Spinel is in itself quite rare, with pink Spinel even more so. Often used as a substitute for Ruby in its darker shades, Spinel is becoming more well known lately. In fact, the name Spinel is Greek for spark.