Basalt lava specimen. This specimen has cooled quickly and gas bubbles have formed into balls of fragile, needle-sharp crystals of zeolite minerals se

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Basalt lava specimen. This specimen has cooled quickly and gas bubbles have formed into balls of fragile, needle-sharp crystals of zeolite minerals seen in the interior of the specimen through the opening at centre.

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Size: 4242px × 4121px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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