Stilpnomelane
Pronunciation : Stilp*nom"e*lane
Part of Speech : n.
Etymology : [Gr. stilpno`s shining + me`las, -anos, black.] (Min.)
Definition : Defn: A black or greenish black mineral occurring in foliated flates, also in velvety bronze-colored incrustations. It is a hydrous silicate of iron and alumina.
Source : Webster's Unabridged Dictionary, 1913