Chakras
There are seven main chakras and throat chakra or vishuddhi chakra is the fifth one. Stories of mystery start from here.
Different parameters of this chakra
Color of this chakra is blue, mantra is ham. This chakra is represented by a flower of 16 petals. Tattva or element related to this chakra is Ether or Akasha.
What is the mystery behind this chakra
It connects you with the unknown world. It gives you mysterious experiences. You will get connected to your divine or spiritual guides. You will feel that some unknown powers are also working around you.
Astral Traveling and Throat Chakra
Astral traveling starts from the throat chakra. This is the chakra where you actually understand the mysterious paths of another world. Your consciousness become so subtle that you understand the very fact behind the worldly scene.
Some examples of astral travelling is mentioned in ancient Indian scripture Yoga Vashishtha.
What you will learn?
You attentions automatically diverted to the super natural paths of divinity. Your interests become different here. You will start things about the powers which are working behind the scenes of the world.
Third Eye and Throat Chakra
When your third eye will get tuned with vishuddhi or throat chakra, you will see mysterious characters at your third eye sometimes.
You may also see different shapes which may create puzzles in your mind. But answer to every question or puzzle will arise in your mind automatically.
Chakra sadhna must be practiced under guidance of a self realised guru.