The image presents a close-up, high-contrast view of a large mineral specimen, identified as a cluster of intergrown pyrite (iron sulfide) crystals. The crystals are predominantly dark grey to brassy black, exhibiting distinct metallic luster and cuboidal to irregular polyhedral forms with visible striations on many facets. Strategic, directional lighting highlights specific crystal faces, creating bright reflections and deep shadows against an entirely black, featureless background. No individuals, actions, or other objects are discernible. This display format is consistent with exhibits found in the Natural History Museum, Cromwell Road, South Kensington, London SW7 5BD, United Kingdom. in London, United Kingdom

kittyorkatherine

Mar 14, 2026, 2:23 PM

London, UK

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The image presents a close-up, high-contrast view of a large mineral specimen, identified as a cluster of intergrown pyrite (iron sulfide) crystals. The crystals are predominantly dark grey to brassy black, exhibiting distinct metallic luster and cuboidal to irregular polyhedral forms with visible striations on many facets. Strategic, directional lighting highlights specific crystal faces, creating bright reflections and deep shadows against an entirely black, featureless background. No individuals, actions, or other objects are discernible. This display format is consistent with exhibits found in the Natural History Museum, Cromwell Road, South Kensington, London SW7 5BD, United Kingdom.

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