M23
Frame ID: M23
Sample ID: Metallurgical Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Extra coarse ribbon anisotropic coke texture
Description: Note the parallel flow texture in the coke cell wall material and the lack of vesicles. Only linear fractures are seen. This type of structure is typical of cokes formed under very high pressures from high rank coking coals.