[{"from": "human", "value": "Could you provide a description of this molecule? [C][=Branch1][C][=O][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O-1].[O].[O].[Ca+2]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of Ca(C2)6+O4\u00b72H2O or Ca(C2O4)\u00b72H2O. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Wed."}]