[{"from": "human", "value": "Could you provide a description of this molecule? [S-2].[S-2].[S-2].[Bi+3].[Bi+3]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of Bi3+2S2-3 or Bi2S3. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Bin."}]