FA25
Frame ID: FA25
Sample ID: slide 347-31
Magnification: 330 microns on long axis
Illuminator: Vertical
Objective: 32x oil
Polarizer: In
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Inertinite
Variety of inertinite forms from power plant burning high volatile A bituminous Central Appalachian coal.