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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

FA32

fa32

Frame ID: FA32

Sample ID: DD-4 (slide 397-13)

Magnification: 200 microns on long axis

Illuminator: Vertical

Objective: 50x oil

Polarizer: In

Analyzer: In

Retarder Plate: In

Filter:

Important Features: Inertinite

Inertinite from a power plant burning high volatile A bituminous central Eastern Kentucky coal.  Note incipient breakdown of inertinite cell walls.