Metallurgical Coke M37 | Petrographics Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

M37

m37

Frame ID: M37

Sample ID: Metallurgical Coke

Magnification: As given

Illuminator: Vertical

Objective: 50x oil

Polarizer: In

Analyzer: In

Retarder Plate: In

Filter: None

Important Features: Pyrolytic carbon on vesicle walls

High Res image (300 dpi)

Description: The rims of the vesicles are covered with a thick coating of pyrolytic carbon. Note the distinctive extinction pattern of the pyrolytic carbon.