Third Eye chakra (Hindu system: Ajna)

I work with a thirteen chakra system.

In that, the Third Eye chakra, known as Ajna in the Hindu system, with the following image (according to the Wikipedia article) , has the following properties, in my system of working:

Chakra	Typical properties and associations	Connected level of existence
Third Eye (centre or lower centre of the forehead)	Indigo – ability to receive information psychically, and to access and use the powers of Higher Self, ability to understand spiritual matters and interact on a spiritual level	Upper mental