I matters when pitching to an agent or editor. And whether it is literary or "mainstream fiction" or possibly "women's fiction" depends on the tone of the writing. Ask yourself this...how much do you concentrate on making the writing "beautiful" and being philosophical and deep. If you do those things then it is probably literary. (If you've done them very well) If on the other hand you have concentrated more on plot and story telling and drama then it is more commercial. Since your characters are female you could pitch it as women's fiction and there are plenty of agents around looking for more women's fiction.