Rob Wardell, Tim Gooding and Tim McCoy, Smithsonian.
Magnetite (iron oxide) crystals less than 1 micrometer in size. The individual crystals range in shapes from six-sided cubes to eight-sided octahedra.
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NMNH - Bennu, 3
Rob Wardell, Tim Gooding and Tim McCoy, Smithsonian.
January 29, 2025
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