A friend stopped talking to me for this?

So I have been friends with a woman in my job for 7 months now. We have gone out for coffee and she has invited me to her home also. We would text most days too. She is a very religious lady and last week I told her that I did not believe in God and that I was an atheist. It has now been a week and she has not spoken to me at all. Is this common or normal to stop being friends with someone over this?

A friend stopped talking to me for this?
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