[{"from": "human", "value": "What can you tell me about this molecule? [O][=Al-1][=O].[O][=Al-1][=O].[Mg+2]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of MgAl2O4. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Spl."}]