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Photographic gallery.  Thousands of particles under the microscope.

Pointed Particles

This is part of a guide to the identification of particles seen in samples of free particles. This file includes elongated particles that are pointed at one or both ends.

Isotropic

These are isotropic particles that are pointed at one or both ends.

Silica Phytolith Chaetomium Hyphaesetae Diatom, Biddulphia longicruris Ephydatia muelleri Spicule

Anisotropic

These particles are bright between crossed polarizing filters (Anisotropic) and are pointed at one or both ends.

Insect Hair Insect Hair Insect Hair Spider Hair

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Verbascum thapsus Hair Maple Seed Hair Maple Seed Hair

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