FA3
Frame ID: FA3
Sample ID: slide 334-35
Magnification: 330 microns on long side
Illuminator: Vertical
Objective: 32x oil
Polarizer: In
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Isotropic coke
Isotropic coke surrounding glass spheres. From combustion of Appalachian coal.