Heart chakra (Hindu system: Anahata)

I work with a thirteen chakra system.

In that, the Heart chakra, known as Anahata 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
Heart (near the heart)	Gold – love, self-acceptance, compassion, balance	Upper astral