FA79

Frame ID: FA79
Sample ID: slide 332-12
Magnification: 190 microns on long side
Illuminator: Vertical
Objective: 32x oil
Polarizer: Out
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Spinel

Description: Spinel from power plant burning high-sulfur, high volatile C bituminous Illinois Basin coal.