Which of the following does not contain Mg: | vedclass

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(A) Magnetite is a rock mineral and one of the main iron ores,with the chemical formula $Fe_3O_4$. It does not contain $Mg$.Magnesite is a magnesium c

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magnetite

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(A) Magnetite is a rock mineral and one of the main iron ores,with the chemical formula $Fe_3O_4$. It does not contain $Mg$.Magnesite is a magnesium carbonate mineral with a chemical composition of $MgCO_3$.Asbestos is a group of minerals,and a common variety is $CaMg_3(SiO_3)_4$,which contains $Mg$.Carnallite is an evaporite mineral,a hydrated potassium magnesium chloride with the formula $KMgCl_3 \cdot 6H_2O$.

Which of the following does not contain $Mg$:

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