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

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