Fly Ash FA4| Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

FA4

fa4

Frame ID: FA4

Sample ID:   46004 (slide 375-33)

Magnification: 270 microns on long axis

Illuminator: Vertical

Objective: 50x oil

Polarizer: In

Analyzer: Out

Retarder Plate: Out

Filter:

Important Features: Isotropic coke

Isotropic coke surrounding glass spheres.