(ˈ)sē|bȯiˌ(y)īt, ˈsebəˌlīt noun
( -s )
Etymology: Cebolla Creek, Gunnison county, Colo. + English -ite
: a mineral H 2 Ca 4 Al 2 Si 3 O 16 consisting of hydrous calcium aluminum silicate occurring in greenish to white fibrous aggregates (hardness 5, specific gravity 3)