M27
Frame ID: M27
Sample ID: Metallurgical Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Fine-grained organic inert material
Description: The pink isotropic material is derived from micrinite and other inertinite macerals that did not react in the coking process.