[{"from": "human", "value": "Provide a description of this molecule. [Na+1].[Cl-1].[Cl-1].[Cl-1].[Cl-1].[Cl-1].[Cl-1].[K+1].[K+1].[K+1].[Fe+2]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of K3NaFe2+Cl6. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Rne."}]