d(y)üˈmȯrd.ēəˌrīt, ˌd(y)ü(ˌ)mȯrˈtiˌrīt noun
( -s )
Etymology: French dumortiérite, from Eugène Dumortier, 19th century French paleontologist + French -ite
: a bright blue or greenish blue mineral perhaps Al 8 BSi 3 O 19 OH consisting of basic aluminum borosilicate