gehlenite

[ gey-luh-nahyt ]
/ ˈgeɪ ləˌnaɪt /

noun

a mineral, aluminum calcium silicate, occurring in prismatic crystals varying in color from gray-green to brown.

Origin of gehlenite

1810–20; named after A. F. Gehlen (1775–1815), German chemist; see -ite1

British Dictionary definitions for gehlenite

gehlenite
/ (ˈɡeɪləˌnaɪt) /

noun

a green mineral consisting of calcium aluminium silicate in tetragonal crystalline form. Formula: Ca 2 Al 2 SiO 7

Word Origin for gehlenite

named after A. F. Gehlen (1775–1815), German chemist; see -ite 1