FA33
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Frame ID: FA33
Sample ID: slide 290-4
Magnification: 330 microns on long axis
Illuminator: Vertical
Objective: 32x oil
Polarizer: In
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Mixed field
Inertinite (center) with vitrinite-derived isotropic coke from power plant burning high volatile B and A bituminous Eastern Kentucky coal.