FA37

Frame ID: FA37
Sample ID: slide 322-25
Magnification: 330 microns on long axis
Illuminator: Vertical
Objective: 32x oil
Polarizer: In
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Mixed field

Description: Inertinite (lower left), anisotropic coke (upper center), and isotropic coke (center right) from power plant burning bituminous Appalachian coal.