n.
[矿]菱锰矿

Dialogite \Di*al"o*gite\, n. [From Gr. ? an arguing.] (Min.)
Native carbonate of manganese; rhodochrosite.

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}.