Just give it some time...maybe she'll think more about where it went wrong too & be willing to talk (or write). I hope so, that was a terrible way to
leave things, no matter what.
Hurt feelings + hormones might take a while to sort out. Whatever happens, we all learn stuff in life going forward & maybe it's time to make new friends-
I'd stay open to re-connecting with her, but the bottom line is that a person who is totally unforgiving & unwilling to communicate is just not a "keeper", ya?
How long have you known her? Obviously you used to live closer in the past...maybe you've just grown apart too? It happens, don't beat yourself up.