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Apollo 15
Scanning electron microscope view of iron crystal growing on pyroxene crystal

A scanning electron microscope photograph of a four-micron size iron crystal growing on a pyroxene crystal (calcium-magnesium-iron silicate) from the Apollo 15 Hadley-Apennino lunar landing site. The well developed crystal faces indicate that the crystal was formed from a hot vapor as the rock was cooling.

Catalog Date: 10 November 1972
Film Type: 4x5 BW
NASA image: S72-53357

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