His stones seem to have been sculpted, when in fact they are only studied until they reveal
their own natural forms. The result is something halfway between a painting and a sculpture.
To achieve his realistic effects, Ciruelo uses an airbrush and a paintbrush. His paint is acrylic

The exploration allows him to some extent to satisfy his desire to work in the round.
Stone has always fascinated the artist and it has inspired many of his illustrations.
At seventeen, Ciruelo began experimenting with the technique of marbling, which,
beginning with a series of washes, allowed him to create surprising stony textures and
a number of interesting effects.
Years later, the search is the same, only now Ciruelo paints directly on the stone.