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Photographic gallery.  Thousands of particles under the microscope.
Sweat from Exercize or heat Under the Microscope

Fingerprint Salt

This is from an environmental tapelift. The cubic habit is characteristic of perspiration generated as thermal control from a hot environment or heavy exercise. The organic content of this perspiration is very low.

Transmitted Oblique Illumination


Significance in the Environment:

Characteristic Features:

Associated Particles: