“One mineral gasteropod "helix ramondi"
or land snail epigenised in light blue lussatite,
an opal-CT variety (cristobalite / tridymite calcedony).
Voluntary un-cleaned.
Size of snail : Ø about 20 mm
Self collected, photo & Collection R. Dumont © 2011
”
Rémy Dumont - 27th December 2011