8 Mukhi Rudraksha
This Rudraksha is like eight mountains and has power of mountains. The person who wears this Rudraksha after proper Sidhhi ( method of purification & charging with Mantra) become free from the sorrow of all the eight Prahar ( 24 Hrs of the Day is divided in eight portions called Prahar) and get all the Happiness. This Rudraksha is highest among the seven Power i.e. Sumeru. The wearer of this Rudraksha get success in all of the ventures. It can be worn on either Monday, Amavasya, or Purnima.
Mantra : "Aath Mukhi Aaath Kuli Parvato Ko Barne"
Note : Above details are taken from ancient handwritten text and Guru Mukha. The description is seen in the deep meditation of Lord Shiva by Lord Datta Treya. The mantra are hidden so not mentioned here.
Rules for the Rudraksha : The Wearer of the Rudraksha should chant related Rudraksha Mantra along with Rudraksha Utpatti Mantra (Mantra for the Rudraksha Origin) daily at least 9 times while wearing and removing in the night before going to sleep. More Rules...
Rudraksha Origin : Nepal