[{"from": "human", "value": "Describe this molecule. [C][=Branch1][C][=O][Branch1][C][O-1][O-1].[Mn+2]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of Mn2+CO3 or Mn(CO3). The corresponding IMA (International Mineralogical Association) number is IMA1962 s.p.. The IMA symbol is Rds."}]