surturbrand
noun
sur·tur·brand
ˈsərtərˌbrand
plural -s
: a variety of lignite in Iceland and the Faeroes occurring in seams between beds of volcanic rock
Word History
Etymology
Icelandic surtarbrandr jet, surturbrand, from Surtr, giant fire demon in Scandinavian legend (akin to Old Norse svartr black) + Icelandic brandr firebrand, from Old Norse