Stones used during a tarot reading?

[Minotauro]

weeeeeeeeeelll
I saw the videos
and I jave no idea why he used them
BUT!
Im working o a method of using crystals and stones for a spread
:'D
it is ...
HERE!
http://www.tarotforum.net/showthread.php?t=162770

I actually needed help and thought your thread was about whast I was looking for...