Fly Ash FA3 | Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

FA3

fa3

Frame ID: FA3

Sample ID: slide 334-35

Magnification:  330 microns on long side

Illuminator: Vertical

Objective: 32x oil

Polarizer: In

Analyzer: Out

Retarder Plate: Out

Filter:

Important Features: Isotropic coke

Isotropic coke surrounding glass spheres.  From combustion of Appalachian coal.