Petalite is a mineral from the group of layered silicates (phyllosilicates), chemically LiAlSi4O10. It was discovered by Brazilian scientist J.B.A.e Silva at the end of the 18th century. Its name is derived from the Greek expression for the leaf –petalon. It is clear, white, pink, gray or white with different shades. Its colorless variety is used in jewelery. The most important sites include the Minas Gerais site in Brazil, then we can find it in Western Australia, Namibia, Zimbabwe or Canada.