NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Mesolite crystals. Radiating crystals (white) of the mineral mesolite in their host rock. Mesolite (hydrated sodium calcium aluminium silicate) is a tectosilicate and belongs to the zeolite group of minerals. Its needle-like crystals formed inside a gas bubble in cooling volcanic rock.
Model release not required. Property release not required.