clarain


Also found in: Encyclopedia.
Related to clarain: Clarin

clar·ain

 (klăr′ān)
n.
A band in bituminous coal, characterized by a sheetlike irregular fracture, a silky luster, and fine intercalations of durain.

[Latin clārus, bright; see kelə- in Indo-European roots + (fus)ain.]

clarain

(ˈklæreɪn)
n
(Minerals) one of the four major lithotypes of banded coal