Earrings made of iridescence deep red stained glass, tin without lead and patinated copper. Iridized glass look different in each moment on the light. Great jewelry for evening party!The iridescence is produced by covering the glass surface with metallic oxides and reducing it by heating using carbon monoxide fumes. Common metallic oxides include gold, which creates a ruby luster, silver for a yellow luster, platinum for a silvery luster, and copper or bismuth.This earrings don't afraid a water.
