Significance of twelve Jyotirlingas as per Shiva Purana

Significance of twelve Jyotirlingas as per Shiva Purana ~ 
Somnath in Saurashtra, 2) MallikArjuna in Sri Shail, 3) Mahakal in Ujjain, 4) Amareshwar in Omkar, 5) Kedar in the Himalaya, 6)Bhimashankar at the bank of Bhima river. 7) Vishwanath in Varanasi. 8)Trayambakeshwar ar the bank of Gautami river, 9) Baidyanath at Chitabhumi, 10)Nagesh which is between Darukvan dwarika and Bhet dwarika 11)Rameshwar at Betubandh and 12) Dhushmesh in Shivalaya. 
A devotee who pays a visit to any of these sacred places and worship, gets all of his wished fulfilled. Somnath Jyotirlinga is believed to destroy the sorrows of Moon. A devotee who worships this Jyotirlinga gets cured from incurable diseases like leprosy etc. and enjoys all kinds of worldly pleasures and attains salvation.
Similarly having a darshan of MallikArjuna helps a devotee to fulfill all of his desires.
Having a darshan of Mahakal at Ujjain helps a devotee to fulfill all kinds of desire and achieve
salvation.
Similarly if a devotee merely touches the idol of Omkar linga then he achieves the desired fruits.
Kedarlinga is situated in the Himalayas and is considered to be very sacred.
Lord Shiva took his sixth incarnation as Bhima Shankar to kill the demon Bhima.
The seventh incarnation of lord Shiva was as Vishwanath at Kashi. This Jyotirlinga is considered to be very sacred and fulfiller of all the desires of a man.
Lord Shiva took his eighth incarnation at the bank of river Gautami at the request of sage Gautam. This Jyotirlinga too is considered to be very sacred and a fulfiller of all the desires of a man.
The ninth incarnation of Shiva was as Baidyanath at Deoghar in Bihar. This Jyotirlinga was established by Ravana. A devotee who worships this Jyotirlinga gets all of his wishes fulfilled. Because of this, it ia also known as Kamanalinga. Devotees carry the holy water of the Ganges from Sultanganj and both the idol of Baidyanath in the months of Shravana and Bhadrapaksha according to the Hindu calendar.
Lord Shiva took his tenth incarnation to kill the demon Daruk who used to live in Daruk forest. A devotee who worships Nagesh, never faces any calamity. The eleventh incarnation of lord Shiva was as Rameshwar linga, this linga was established by Sri Rama while the construction of a bridge over the sea was going on. Having a darshan of this Jyotirlinga bestowes both worldly pleasures and salvation.
Lord Shiva took his twelfth incarnation as Dhumeshwar after being pleased by Dhushma - the wife of Sumedha. Having a darshan of this Jyotirlinga helps a devotee to fulfill all of his desires.
Om Namah Bhagwate Rudraya Namah !!