Quinoline Insolubles Q38 | Petrographic Atlas | SIU

Home
Southern Illinois University

CONTACT

SIU.EDU

Crelling's Petrographic Atlas of Coals and Carbons

College of Science

Q38

q38

Frame ID: Q38

Sample ID: Quinoline Insolubles

Magnification: As given

Illuminator: Vertical

Objective: 50x oil

Polarizer: In

Analyzer: In

Retarder Plate: In

Filter: None

Important Features: Hard pitch

High Resolution Image (300 dpi)

Description: Hard pitch with cenospheres. This is the same field as seen in frame Q37 with the analyzer in to show the anistropy of the pitch.