FA41
Frame ID: FA41
Sample ID: PR-2-13 (slide 387-7)
Magnification: 270 microns on long axis
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter:
Important Features: Mixed field
Inertinite (bottom) with anisotropic coke from combustion of high volatile A bituminous central Eastern Kentucky coal.