rhodochrosite
NounWordNet 3.0
Noun (1)
- a mineral consisting of manganese carbonate; a source of manganese
Webster's Dictionary (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]