SANIDIK (az yunoni zashbaz — takhta; az sababi hamvoru takhtamonand budani kristallhoyash chunin nomidaand), minerali jinsofarin, shpati dashtii balandharorati kaliydor K(A151308]; az 100 to 37% kaliy, ba miqdori gunogun A1 va 3» dorad.
Dar tarkibash to 5% ^a20 va bazan VaO niz hast. Sistemak kristallbandiash monoklini. Kristallhoyash berang yo shaffofi shishagun. Sanidik minerali khosi jinshoi vulqoni meboshad.