Olmite ideally is a newly identified mineral from the N’Chwaning II mine of the Kalahari manganese fields (Republic of South Africa), which occurs as a product of hydrothermal alteration associated with poldervaartite, celestine, sturmanite, bultfonteinite and hematite.Olmiite is the Mn2 +-dominant analogue of Poldervaartite. Colors are pale to intense reddish pink. It is a product of hydrothermal alteration. It is a beautiful gemstone!