Have you ever heard about crackled glass tiles? These are tiles made of crackled glass without interfering with the surface's finish and therefore safe to use in applications such as kitchen backsplash, bathroom, and shower walls.
There are two types of crackled glass tile; made with one hundred percent glass; and another one made of ceramic and covered with a glass glaze, creating vintage and antique look.
The crackled glass tiles made of pure, clear glass is a solid piece but with its interior crackled, creating a contemporary look.
On the other hand, the crackled glass tile made of ceramic is a solid piece of ceramic tile covered with a glass glaze and then baked at a high temperature, creating colorful vintage and antique looks.