TS52

Frame ID: FA 60
Sample ID: slide 397-37
Magnification: 200 microns on long side
Illuminator: Vertical
Objective: 50x oil
Polarizer: Out
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: glass sphere
High Resolution Image

Glass sphere with inclusions.  From power plant burning blend of high-sulfur high volatile bituminous Pennsylvanian coal and low-sulfur high volatile B bituminous Tertiary coal.