FA64
Frame ID: FA 64
Sample ID: 92007 (slide 385-25)
Magnification: 270 microns on long side
Illuminator: Vertical
Objective: 50x oil
Polarizer: Out
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Quartz
Quartz from power plant burning Eastern Kentucky high volatile bituminous coal.