Found 2 items, similar to magnesite.
English → English (WordNet) Definition: magnesite magnesite n : a black magnetic mineral consisting of magnesium carbonate; a source of magnesium
English → English (gcide) Definition: Magnesite Magnesite \Mag"ne*site\, n. [Cf. F. magn['e]site.] (Min.) Native magnesium carbonate occurring in white compact or granular masses, and also in rhombohedral crystals. [1913 Webster]