ˈspaŋ(g)əˌlīt noun
( -s )
Etymology: Norman Spang, 19th century American mineralogist + English -o- + -lite
: a mineral Cu 6 Al(SO 4 )(OH) 12 Cl.3H 2 O consisting of a hydrous basic sulfate and chloride of aluminum and copper in dark-green hexagonal crystals