Saimaite is a new Zr-Ti silicate mineral. In this note X-ray and electron probe analyses for saimaite were carried out, and the chemical formula of saimaite was calculated. In addition, the Mossbauer effects of saimaite and chevkinite were investigated. Site occupancies of Saimaite is a new Zr-Ti silicate mineral. In this note X-ray and electron probe analyzes for saimaite were carried out, and the chemical formula of saimaite was calculated. In addition, the Mossbauer effects of saimaite and chevkinite were investigated. Site occupancies of