CIPOLIN
Etymology
Noun
cipolin (countable and uncountable, plural cipolins)
(mineral) A whitish marble from Rome, containing pale greenish zones. It consists of calcium carbonate, with zones and cloudings of talc.
Source: Wiktionary
Cip"o*lin, n. Etym: [It. cippollino, prop., a little onion, fr.
cipolla onion (cf. E. cibol). So called because its veins consist,
like onions, of different strata, one lying upon another.] (Min.)
Definition: A whitish marble, from Rome, containiing pale greenish zones.
It consists of calcium carbonate, with zones and cloudings of talc.
Source: Webster’s Unabridged Dictionary 1913 Edition