[{"from": "human", "value": "Could you provide a description of this molecule? [O].[O].[Cl-1].[Cl-1].[Ca+2]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of CaCl2\u00b72H2O. The corresponding IMA (International Mineralogical Association) number is IMA1979-041. The IMA symbol is Snj."}]