[{"from": "human", "value": "Provide a description of this molecule. [O].[O-2].[O-2].[O-2].[O][=Si][=O].[O][=Si][=O].[O][=Si][=O].[O][=Si][=O].[Al+3].[Al+3]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2\u00b7nH2O. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Mnt."}]