Golf ball

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In a golf ball composed of a core, a cover of at least one layer that encloses the core, and a plurality of dimples on an outermost layer of the cover, at least one constituent element contains from 0.5 to 30 parts by weight of one or more rare-earth oxide composed of a single rare-earth element, or a rare-earth mixed oxide composed of a plurality of rare-earth elements mixed in a desired ratio, per 100 parts by weight of a base material. Unlike ordinary golf balls, the golf ball of the invention has a visibility which differs under display or indoor light as opposed to outdoors, and is also very fashionable.