The Collaborative International Dictionary
Retinasphalt
Retinasphalt \Ret`in*as"phalt\, Retinasphaltum \Ret`in*as*phal"tum\, n. [Gr. ???? resin + ????? asphalt.] (Min.) Retinite.
Wiktionary
retinasphalt
n. (context mineralogy English) retinite