[{"from": "human", "value": "Please give me some details about this molecule. [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Ca+2].[Ti+4].[Ti+4].[Zr+4]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of (Ti4+,Ca,Zr4+)O2-x or (Ti,Ca,Zr)O2-x. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Zke."}]