[{"from": "human", "value": "What can you tell me about this molecule? [S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[S-2].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of (Ni,Fe)9S8. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Pn."}]