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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

FA42

fa42

Frame ID: FA42

Sample ID: slide 288-26

Magnification: 330 microns on long axis

Illuminator: Vertical

Objective: 32x oil

Polarizer: In

Analyzer: Out

Retarder Plate: Out

Filter:

Important Features: Partially burned coal

Partially burned coal (center), with isotropic coke particles to left and right, from combustion of high volatile A and B Eastern Kentucky coal.