Because the color is within the hole, these beads are more durable than surface painted beads. Opal glass transmits light but is murky, milky, or translucent. Good opal glass has a glow to it, a little like Opal gemstone.
Satin glass has a striated, layered or satin-like appearance.
The apparent color shade of satinglass varies with your viewing angle. Whitehearts have an inner core of white glass. Permanent rainbow finish which can be applied to any color or type of glass bead. Applied to one side of the bead only. AB finish applied to entire surface area if bead.