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Photographic gallery.  Thousands of particles under the microscope.
Coal Particles Under the Microscope

Coal Dust and Other Debris

This is from a home near a coal-fired power plant.

Transmitted Off Crossed Polarized Light and Reflected Darkfield Illumination

Definition/Function:

Significance in the Environment:

Characteristic Features:

Associated Particles:

References:

1. Suarez-Ruiz, Isabel and John C. Crelling, APPLIED COAL PETROLOGY:The Role of Petrology in Coal Utilization, Elsevier Academic Press,2008.

2. Berkowitz, Norbert, AN INTRODUCTION TO COAL TECHNOLOGY, 2nd Edition, Academic Press, Inc., 1994