Chemistry

Problem

Mineral	Formula
Ilmenite	$\text{FeTiO}_3$ or $\text{FeO} \cdot \text{TiO}_2$
Dolomite	$\text{CaCO}_3 \cdot \text{MgCO}_3$
Carnaollite	$\text{KCl} \cdot \text{MgCl}_2 \cdot 6\text{H}_2\text{O}$
Chromite	$\text{FeCr}_2\text{O}_4$ or $\text{FeO} \cdot \text{Cr}_2\text{O}_3$