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. Specimen from Khadokvasia complex, Poona Maharashtra, India.
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