ArtMolds Powders - 1 lb, White Marble 1 lb Give your castings the look and feel of marble, wood, or metal with ArtMolds powders. - ArtMolds Powders - 1 lb, White MarbleArtmolds Powders, WHT MARBLE 1LB - Mix with ArtMolds CastRite to create a luminous simulated marble finish on lifecasting art and more. Polishing the finished work with several coats of wax will add to its luster and render a just-carved look.