alginite

n
a liptinite maceral that is generally spherical or ovoid, frequently having a crenulated border and somewhat irregular reflectance and sometimes occurring in clusters reflecting an origin from Botryococcus algae.
DISCUSSION — Alginite often occurs as degraded fragments derived from colonial or unicellular bodies.

ASTM D121-09a Standard Terminology of Coal and Coke. 2014.

Look at other dictionaries:

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