Artistry In Mosaics Glass Tile Crystal Series Blends are transparent with the illusion of depth. Indulge yourself in the uncommon brilliance of glass mosaic tile by Artistry in Mosaics. This tile is frost proof. Finish: Smooth, Iridescent. This tile is the perfect choice for your swimming pool and spa and home interior and exterior, wet or dry installations, including kitchen backsplashes, shower walls and residential floors (not slip resistant).