'Rhodochrosite' definitions:

Definition of 'rhodochrosite'

(from WordNet)
noun
A mineral consisting of manganese carbonate; a source of manganese

Definition of 'Rhodochrosite'

From: GCIDE
  • Rhodochrosite \Rho`do*chro"site\, n. [Gr. "ro`don the rose + ??? a coloring.] (Min.) Manganese carbonate, a rose-red mineral sometimes occuring crystallized, but generally massive with rhombohedral cleavage like calcite; -- called also dialogite. [1913 Webster]