When oil painting was invented in the early renaissance, artists experimented with many support surfaces. Although painting on wood panels was most popular then, it was quickly replaced by painting on canvas, which was lighter and could be done much larger. But other early experiments also found metals and stone to be worthy surfaces. Notably, painting on copper has seen a resurgence lately, and is prized for its luminosity. 

I first saw oil paintings on marble at the Loyola University Museum of Art in Chicago. It is too heavy for practical use in larger sizes, but it is wonderful for miniatures. 

I have done many commissioned portraits of people and pets, a gallery of which is just after the price list.  Paintings created for sale are below that.