rho·do·chro·site /ˌrodəˈkroˌsaɪt/
  菱錳礦
  Rho·do·chro·site n.  Min. Manganese carbonate, a rose-red mineral sometimes occuring crystallized, but generally massive with rhombohedral cleavage like calcite; -- called also dialogite.
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  rhodochrosite
       n : a mineral consisting of manganese carbonate; a source of
           manganese