Dark Side of the Moon?

This is a close up not of the moon, but of some pumice from the volcano on Montserrat in the Caribbean. I was given this as a present from a colleague who I worked with while I was in Guyana. Sarah had moved from England out to live on Montserrat a few years ago after the Volcano had finished erupting, and everybody working on the project was presented with a piece of pumice, possibly to use as a paperweight to deal with the vast amounts of paperwork the project seemed to be generating.

This was taken with my reversed lens to create a macro type effect. I think the surface of the pumice definitely looks like the surface of the moon.