These are Swarovski Crystal teardrops in the 12x8mm size in specially produced color Vitrail Medium. Vitrail Medium is a metallic coating applied to one side of the bead. One side of the bead is multi colored green, fuchsia and blue, while the other is metallic in the same colors. This size teardrop fits into the trumpet flowers or large lilies. The hole goes down through the bead the long way.