[{"from": "human", "value": "Provide a brief overview of this molecule. [O][Si][=Branch1][C][=O][O].[O][Si][=Branch1][C][=O][O].[O][Si][=Branch1][C][=O][O].[O][Si][=Branch1][C][=O][O].[O][Si][=Branch1][C][=O][O].[O][Si][=Branch1][C][=O][O].[O][Si][=Branch1][C][=O][O].[O][Si][=Branch1][C][=O][O].[Na+1].[Na+1].[Mg+2].[Mg+2].[Mg+2].[Fe+3].[Fe+3]"}, {"from": "gpt", "value": "The molecule is a naturally occurring, blue, fibrous amphibole asbestos mineral. Crocidolite is used extensively in industry for various purposes. Chronic inhalation of its dust may cause asbestosis and increases the risk of respiratory tract cancer, mesothelioma and other lung cancers. Crocidolite asbestos is a known human carcinogen. (NCI05)"}]