He saw lot of beings in the universe, struggling for the liberation of their soul. Seeing this, the lord became compassionate and tears flow from his eyes to the earth. It is believed that these beads were later called as Rudraksha.
Rudraksha beads have a great place in the path of spirituality. No other tree has such a position like that of rudraksha because of the legend and its sanctity. There are lot of scriptural references for the rudraksha and its tree. It is considered, the Lord Shiva Himself. Though the rudraksha beads are considered as the tears of lord Shiva, they have medicinal and magical properties that has been experienced, when worn.
There are different mantras based on the number of faces of one rudraksha bead. The common one is the pancha mukhi (five faced) while the single faced is very rare. Pancha mukhi is worn by most of the religious devotees and is available in common.
Two faced – dwimukhi rudraksha symbolizes the ardha narishwara form of lord Shiva. It is otherwise the male-female energy or the symbolic expression of Shiva and Shakti. It has serious effects on the tantric sadhaks and is helpful in awakening the kundlini Shakti. This is also widely known as Gauri Shankara rudraksha.
It is also believed that rudraksha beads have even castes. They are not the caste system in the modern world. It is like the brahmanas, Kshatriyas, vaisyas, and shoodras. It should be worn based on one’s spiritual evolution, samskaras, etc.