FA28

Frame ID: FA28
Sample ID: PR2-20 (slide 385-6)
Magnification: 270 microns on long axis
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Inertinite

Description: Inertinite from a power plant burning high volatile A bituminous central Eastern Kentucky coal. Note incipient breakdown of inertinite cell walls.