1) Orthorhombic mineral 
Eveite is a manganese arsenate mineral in the olivenite group. Its chemical formula is Mn2AsO4OH. It is found only in Långban, Filipstad, Värmland, Sweden and at the Sterling Mine in New Jersey, United States of America. It is a dimorph of sarkinite and is isostructural with adamite. The name, for the biblical `Eve`, comes from its structural .....