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muromontite

muromontite Min.
  (mjʊərəʊˈmɒntaɪt)
  [a. G. muromontit (Kerndt 1848), f. mod.L. Mūromontium, Mauersberg in Saxony, where it was found: see -ite.]
  A mineral akin to allanite.

1854 Dana Syst. Min. (ed. 4) II. 210 With Allanite belong probably Bodenite..and Muromontite.

Oxford English Dictionary

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