[du.mor.ti.er.ite] n [F dumortierite, fr. Eugene Dumortier d. 1876 Fr. paleontologist] (1881): a bright blue or greenish blue mineral consisting of a silicate of aluminum and used esp. for jewelry
DUMORTIERITE
Meaning of DUMORTIERITE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012