FA54
Frame ID: FA 54
Sample ID: 92271 (slide 323-25)
Magnification: 330 microns on long side
Illuminator: Vertical
Objective: 32x oil
Polarizer: Out
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: glass cenosphere
Glass cenosphere (upper left). Cenospheres are hollow glassy spheres. From South Carolina power plant burning Eastern Kentucky low-sulfur, high volatile A bituminous coal.