FA94

Frame ID: FA94
Sample ID: 92574 (slide 412-24)
Magnification: 200 microns on long side
Illuminator: Vertical
Objective: 50x oil
Polarizer: Out
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Spinel

Description: Spinel. Fly ash from power plant burning high-sulfur, high volatile bituminous Western Kentucky coal.