Ceramic, glass, mica, agate, plaster, paint
Largest (marble): 2 1/2 in. (6.4 cm)
Collection of 86 marbles, of various sizes and colors: 4 white latticinio core swirls, 1 white latticinio swirl (in divided form), 1 yellow latticinio core swirl, 1 divided core swirl, 3 ribbon core swirls, 17 Joseph's Coat swirls, 6 solid core swirls, 1 end of day onionskin, 3 end of day panelled onionskins, 1 end of day panelled cloud (floating mica), 1 clearie, 1 sulphide (transparent glass sulphide marble with figure of cat inserted), 2 opaques, 5 clays (natural), 10 clays (intersecting lines), 5 clays (crow feet), 3 brown Benningtons, 1 aggie, 4 amber slags, 2 purple slags, and 14 miscellaneous corkscrews.
Due to ongoing research, information about this object is subject to change.