When I logged in I noticed the enormous bonus for the Crystal packages. So of course how could I pass it up. I bought the crystals and then logged out to eat dinner. When I returned my iPad had an update and then I logged in and my Crystal were gone. 
Sorry to hear that. Please send in a ticket to Customer Support by following the procedure here.
I did send an email to that address as soon as it happened I have not received a response and. the issue has not been corrected