taramellite
noun
tar·a·mel·lite
ˌtarəˈmeˌlīt
plural -s
: a mineral BaFe5Si10O31 consisting of a barium iron silicate and occurring in brownish red radially fibrous aggregates (hardness 5.5, specific gravity 3.9)
Word History
Etymology
Italian, from Torquato Taramelli †1922 Italian geologist + Italian -ite