allanite

[ al-uh-nahyt ]
/ ˈæl əˌnaɪt /

noun Mineralogy.

a member of the epidote group, a silicate of calcium, cerium, aluminum, and iron, occurring chiefly in brown-to-black masses or prismatic crystals.

Origin of allanite

1835–45; named after Thomas Allan (1777–1833), English mineralogist; see -ite1

OTHER WORDS FROM allanite

al·la·nit·ic [al-uh-nit-ik] /ˌæl əˈnɪt ɪk/, adjective

British Dictionary definitions for allanite

allanite
/ (ˈæləˌnaɪt) /

noun

a rare black or brown mineral consisting of the hydrated silicate of calcium, aluminium, iron, cerium, lanthanum, and other rare earth minerals. It occurs in granites and other igneous rocks. Formula: (Ca,Ce,La,Y) 2 (Al,Fe,Be,Mn,Mg) 3 (SiO 4) 3 (OH)

Word Origin for allanite

C19: named after T. Allan (1777–1833), English mineralogist