allanite

[ al-uh-nahyt ]

nounMineralogy.
  1. 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

1
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

Words Nearby allanite

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British Dictionary definitions for allanite

allanite

/ (ˈæləˌnaɪt) /


noun
  1. 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)

Origin of allanite

1
C19: named after T. Allan (1777–1833), English mineralogist

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