To provide a mineral ball which purifies drinking water, mellows the taste of various food and drinks, functions also as the deodorant of a refrigerator, and has excellent far infrared radiation properties, moisture retention, deodorization properties or the like, and to provide a method for producing the same.

The mineral ball is made of ball-shaped ceramic ware obtained by applying a glaze comprising a far-infrared ray radiating material of ultrafine particles to the surface of the core of spherical bisquit made of china clay comprising crushed natural far-infrared ray radiating rock of serpentine, amphibolite or the like, has an outer diameter of 20 to 30 nm, and radiates far infrared rays.