Metallurgical Coke M24 | Petrographics Atlas | SIU

Home
Southern Illinois University

CONTACT

SIU.EDU

Crelling's Petrographic Atlas of Coals and Carbons

College of Science

M24

m24

Frame ID: M24

Sample ID: Metallurgical Coke

Magnification: As given

Illuminator: Vertical

Objective: 50x oil

Polarizer: In

Analyzer: In

Retarder Plate: In

Filter: (80 daylight)

Important Features: Coarse ribbon anisotropic coke texture

High Res image (300 dpi)

Description: Note the very coarse ribbon anisotropic units 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.