lucullite
A variety of black limestone, often polished for ornamental purposes.
countable, dated, uncountable
Compact lucullite is subdivided into common or black marble; and stinkstone.
Where it comes from
From Lucullus (“a Roman consul, famous for his great wealth and luxury”) + -ite. Compare French lucullite.
Adapted from the Wiktionary entry lucullite (CC BY-SA 4.0).