take your pick - these are both mineral make ups, but obviously have different ingredients.
Bare Minerals Foundation :
Bismuth Oxychloride, Mica, Iron Oxide. May Also Contain: Titanium Dioxide
Laura Mercier's Foundation Powder :
Talc, dimethicone, nylon-12, lauroyl lysine, zinc stearate,
magnesium myristate, polymethyl methacrylate, squalane,
methicone, tocopherol, ascorbyl palmitate, sodium
dehydroacetate, methylparaben, propylparaben, mica, titanium dioxide (Cl 77891), iron oxides (Cl77491, Cl 77492, Cl 77499).
(May contain): Ultramarines (Cl 77007)