[{"from": "human", "value": "Could you give me a brief overview of this molecule? [O].[O-1][Si][=Branch1][C][=O][O-1].[Na].[Al].[Ca+2]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of (Na,Ca)0.3Al2(Si,Al)4O10(OH)2\u00b7nH2O. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Bei."}]