[{"from": "human", "value": "Provide a description of this molecule. [O-1][Al][=O].[O-1][Al][=O].[Fe+2]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of Fe2+Al2O4. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Hc."}]