[{"from": "human", "value": "Provide a description of this molecule. [O-2].[O-2].[O-2].[Fe+3].[Fe+3]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of Fe3+2O3 or Fe2O3. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Hem."}]