[{"from": "human", "value": "Describe this molecule. [O-2].[O-2].[O-2].[O-2].[Mn+2].[Mn+3].[Mn+3]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of Mn2+Mn3+2O4. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Hsm."}]