This is for tumble stone, chosen intuitively. 
Iolite is an excellent stone for facilitating psychic visions and intuitive insight. It is beneficial for psychics and readers of tarot as it helps them better communicate their higher knowing. It calms an overactive mind, helping one better organize their thoughts and stay in the present moment. It is also believed to be a powerful ally for anyone working to overcome an addiction, especially those related to alcohol or drugs.
Element: Wind
Chakra: Third Eye