Metallurgical Coke M07 | Petrographics Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

M07

m07

Frame ID: M07

Sample ID: Metallurgical Coke

Magnification: As given

Illuminator: Vertical

Objective: 50x oil

Polarizer: In

Analyzer: In

Retarder Plate: In

Filter: None

Important Features: Medium circular anisotropic coke texture

High Res image (300 dpi)

Description: The red and yellow speckled area is cell wall material and the dark circular areas are vesicles. In the ASTM/U.S. Steel Carbon Form Classification this sample falls into the Circular Anisotropic 1.0-1.5 µ group. This type of carbon form is typical of medium volatile bituminous coals of V type 10.