This marble will be featured in Mark Block's upcoming book.

Ha haa, I love this boro marble! Definitely one I wish I could keep, no doubt about that. An ethereal silver fumed sponge (or honeycomb if you like) floats over top of a bed of beautiful gold fumed implosion spikes that are somehow flattened behind the sponge. Maybe this is actually a mushroom cloud from a nuclear explosion? Does this marble really have a mini nuclear reactor inside? Maybe I named this one wrong.... Beautiful blue silver fumed dots complete the backside!