Pedra Hijau, also known as Green Sukabumi Stone, is one of the most popular natural green swimming pool tiles. The stone is rare and exotic. Because of its uniqueness, Pedra Hijau has been used for many construction purposes, such as walls and pools, in luxury villas and hotels around the world. Pedra Hijau has natural green color. It contains a special substance called Zeolite, which could reduce ammonia, to keep water clear and fresh.