FA46
Frame ID: FA46
Sample ID: 92019 (slide 387-22)
Magnification: 270 microns on long axis
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Partially burned coal
Partially burned coal from the combustion of high volatile C/B bituminous Illinois Basin coal.