Microscope Dust (IMAGE)

Geological Society of America

Microscope Dust

Caption

Lunar dust as seen under a microscope. Each is covered in a glassy coating that may be smooth and round or jagged and sharp. Particle types shown include plagioclase (lower left, white), volcanic glass beads (upper right, smooth and black), impact-glass beads (upper left, black but rough), rock chips (rough and gray) and agglutinate (center, rough and gray, with hole). For scale, the smallest round bead at upper right is approximately 1 mm in diameter.

Credit

Larry Taylor

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