[{"from": "human", "value": "Describe this molecule. [H+1].[H+1].[O].[O].[O].[O].[O-1][Si][=Branch1][C][=O][O-1].[O-1][Si][=Branch1][C][=O][O-1].[O-1][Si][=Branch1][C][=O][O-1].[O-1][Si][=Branch1][C][=O][O-1].[O-1][Si][=Branch1][C][=O][O-1].[O-1][Si][=Branch1][C][=O][O-1].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of Ca5Si6O16(OH)2\u00b7nH2O or Ca4Si6O17(H2O)2\u00b7(Ca\u00b73H2O). The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Tbm."}]