What is "dialogite"

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.

n. (context mineral English) rhodochrosite.