I truly do believe that attraction is more than just one or the other, and people really do fall along more of a spectrum. Maybe you have had this in you but never realized it until meeting the right person.
I agree, though, make sure it is reciprocated first, especially since you say you are in a church group. Is she also in that group? Sometimes, even if it is a reciprocated feeling, people are embarassed by their own emotions and desires and repress them due to outside influences. While that is wrong and sad, it does happen. I say go cautiously.
I hope it works out for you.