Yes, it can be done. However, you need to substantially support the heavy stone tiles. I'm just walking out the door right now so I'll send you a link on what you should do. Anything less is not recommended although I see people "taking a chance" just because of the height requirements of a job done this way:
Bill Vincent is a very qualified and reputable tile installer. I would listen to his advice!
I would NOT do less than this (and this is pushing "minimum" as it is):