Antigorite mineral. This hydrated magnesium silicate mineral has the chemical formula (OH)4, with a monoclinic crystal structure. Antigorite

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Antigorite mineral. This hydrated magnesium silicate mineral has the chemical formula (OH)4, with a monoclinic crystal structure. Antigorite occurs in igneous and metamorphic rocks, often in tough lamellated and pleated masses that are dark green to light green or brown, with a silky lustre. This sample, 7 centimetres high, is from Zermatt, Switzerland. Photographed at the Royal Museum for Central Africa, Tervuren, Belgium.

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Size: 3543px × 5315px
Photo credit: © DIRK WIERSMA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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