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Shila, (शिला in Devanagari, śila in IAST) or Shaligram refers to a fossilized stone used to invoke God, and as a representation of God. Shaligram is usually collected from sacred river beds or on the banks. Shiva worshipers use nearly round or oval shaped Shaligrams to worship as Shiva Linga.
 They are more often referred to as Shilas, with Shila being the shortened version. The word Shila translates simply to 'stone' and Shaligram is a less well-known name of Vishnu. The origin of the name is traced to a remote village in Nepal where Vishnu is known by the name of Shaligramam. Shaligram in Hinduism is also known as Salagrama. The name Salagrama refers to the name of the village on the bank of Gandaki where the holy stones are picked up. The name is derived from the hut (sala) of the sage Salankayana, who beheld the form of Vishnu in a tree outside his hut (cf. Varaha-purana).
Although Hinduism is commonly represented by such anthropomorphic religious murtis, aniconism is equally represented with such abstract symbols of God such as the Saligrama. Furthermore, Hindus have found it easier to focus on anthropomorphic icons, as Lord Krishna said in the Bhagavad Gita, Chapter 12, Verse 5,
|“||For those whose minds are attached to the unmanifested, impersonal feature of the Supreme, advancement is very troublesome. To make progress in that discipline is always difficult for those who are embodied||”|
The Shilas (Ammonite fossils) are worshipped as manifestations of Vishnu himself, identifiable from other stones by special markings which resemble Vishnu's paraphernalia such as mace, conch, lotus and disc (chakra). Narasimhadeva, Varahadeva and Vamanadeva are popular forms of worship. They are either black, red, or mixed in colour and are usually kept closed in a box and are only brought out for daily worship (puja). The Shilas are usually hereditary and are passed down through many generations, never being purchased or sold.
According to Vaishnava belief, the worshipper of a Shaligram Shila must adhere to strict rules, such as not touching the Shaligrama without bathing, never placing the Shaligrama on the ground, eating only prasad, and not indulging in bad practices. In most Vaishnava temples the main deity is usually decorated with a 'garland' mala, specifically an Akshamala, of 108 Saligrama Shilas. But the real scientific story of Ammonoid fossil is not being told to the common people.The Ammonoid Is an extinct sea animal. Nowadays when original fossils are not being found, artificial ammonoid fossils in different form are being made available in the market for worship of Satnarayan Bhagwan.
Tulsi, also known as Holy Basil is closely associated with the origins of Shila worship.Once in anger Sarasvati cursed Lakshmi. Sarasvati's curse changed Lakshmi into a tulsi plant and forced her to live on earth forever. Vishnu, however, intervened and modified the curse, saying that Lakshmi would remain on earth as tulasi until the river Gandaki flowed from her body. In the meantime, He would wait by the riverside in the form of a stone to take her back to His abode. This stone was the Shaligram Shila, which thus remained on earth as a representative of Vishnu. The Shila Deities and the tulsi plant are thus always worshipped together as Vishnu and Lakshmi.
Historically, the use of Shaligrama (or Salagrama) Shilas in worship can be traced to the time of Adi Shankara through the latter's works. Specifically, his commentary to the verse 1.6.1 in Taittiriya Upanishad  and his commentary to the verse 1.3.14 of the Brahma Sutras  suggest that the use of Saligrama in the worship of Vishnu has been a well-known Hindu practice.
The largest and heaviest Shaligrama can be seen at the Jagannath Temple, dedicated to Vishnu, at Puri in Orissa. The main ISKCON temple in Scotland, called 'Karuna Bhavan' is famous for housing the largest number of Shaligram Shilas outside of India.
Puranic quotes on Shalagram
With Keshava in the form of Salagrama shila reside all the devatas, asuaras, yaksas and the fourteen worlds.--- Padma Purana
The Lord resides in many places in which he may be worshipped, but of all the places Salagrama is the best.---Garuda Purana
Any person who has seen Salagram Shila, paid obeisances to Him, bathed and worshipped Him, has achieved the results of performing ten million sacrifices and giving ten million cows in charity.--- Skanda Purana – Hari-bhakti-vilas
“Any shila from the place of shalagrams can never be inauspicious though cracked, chipped, split in two though still in one piece, or even broken asunder.”--- Brahma Purana
“Merely by touching a shalagrama one becomes freed from the sins of millions of births, so what to speak of worshiping Him! By Shalagrama puja one gains the association of Lord Hari.”--- Gautamiya Tantra
“Shalagramas do not require installation ceremony. When one begins the worship of shalagrama, however he should start with elaborate puja using all articles. The worship of shalagrama is the best form of worship, better than the worship of the sun.”--- Skand Puran
"Devotees should take the charanamrita mixed with Tulasi leaves from the shalagrama in their hand and sip it, sprinkling the balance on their heads.“---Gautamiya Tantra
“All those holy rivers awarding moksha, such as the Ganga, Godavari and others, reside in the caranamrita (bath water) of shalagrama.”--- Padma Purana
“Shalagrama should not be placed on the earth or ground and worshiped.”---Sammohana Tantra
“In puja of shalagrama it is unnecessary to call the Lord for worship or request Him to return His abode upon completion.”--- Bhagavata Purana
“It is impossible to fully explain the importance of Tulsi leaves (Holy Basil) in the worship of shalagrama, as Tulsi is the most beloved consort of Hari in the form of shalagrama.”--- Brihan-naradiya Purana
“He who takes the charanamrita of shalagrama destroys all sinful reactions at their roots, even the killing of a brahmana.”--- Skanda Purana
“By taking the remnants of foodstuffs offered to shalagrama, one will get the result of performing many sacrifices.”--- Skanda Purana
"One who has dranked the water that bathes a Shaligram at least once in life time won't have to suck his mother's breast for the second time. He has attained Moksha (liberation)" --- Skanda purana
Sale and purchase of Shalagrama-shilas prohibited
The Skanda Purana warns that no one should buy or sell shalagrama-shilas. One who puts a price on a shalagrama-shilas, sells a shalagrama-shila, gives his opinion on its value, or examines one with a view to estimate its sale value, all such people will live in hell until the time of universal destruction.
The marks made by the shell of the ammonite give a Shaligram its characteristic appearance, with the pattern often resembling and representing the 'Sudarshan Chakra' or the discus with a sharp-toothed edge which rests on the index finger of Lord Vishnu. Shaligram stones come in different colors such as red, blue, yellow, green and black. Of these, the yellow, blue and black varieties are considered more sacred. The yellow and golden-colored Shaligrams are considered most auspicious and are believed to bestow great wealth and prosperity on its worshippers.
A Shaligrama – which has the marks of a shankha, Chakra, gada and padma arranged in a particular order – is worshiped as Keshava. With the change in the order of the four symbols, the name of the Shaligrama stone is also different and the images of such deities also have similar setting of the four symbols. The various orders and names are given for the twenty four permutations. These are well known names, which are the different names by which Lord Vishnu is known in the Hindu pantheon. The various versions of the Saligrama Shilas or stones vis-a-vis the order of the four symbols are:
- Shanka, chakra, gada and padma - Keshava
- Padma, gada, chakra, shanka - Narayana
- Chakra, shanka, padma and gada - Madhava
- Gada, padma, shanka and chakra - Govinda
- Padma, shanka, chakra and gada – Vishnu
- Shanka, padma, gada, chakra – Madusudhana
- Gada, chakra, shanka and padma – Trivikrama
- Chakra, gada, padma, shanka - Vamana
- Chakra, padma, shanka, gada - Shridhara
- Padma, gada, shanka, charka - Hrishikesh
- Padma, chakra,gada, shanka - Padmanabha
- Shanka, chakra, gada, padma - Damodara
- Chakra, shanka, gada, padma - Sankarshana
- Shanka, chakra, padma, gada - Pradyumna
- Gada, shanka, padma, charka - Aniruddha
- Padma, shanka, gada, chakra - Purushottama
- Gadha, shanka, chakra, padma - Adokshaja
- Padma, gada, shanka, chakra - Narasimha
- Padma, chakra, shanka, gada – Achyuta
- Shanka, chakra, padma, gada - Janardana
- Gada, padma, shanka, chakra - Upendra
- Chakra, padma, gada and shanka – Hari
- Gada, padma, chakra and shanka - Krishna
- Shanka, chakra, padma, gada – Vasudeva
- :Shaligram and astrology
- Hinduism: Beliefs and Practices, by Jeanne Fowler, pp. 42–43, at Books.Google.com and Flipside of Hindu symbolism, by M. K. V. Narayan at pp. 84–85 at Books.Google.com
- A. Mahadeva Sastri. Taittiriya Upanishad: with the commentaries of Sankaracharya, Suresvaracharya, and Sayana (Vidyaranya), pp. 80 (free download at: https://archive.org/download/taittiriyaupanis00sankiala/taittiriyaupanis00sankiala.pdf)
- "Taittiriya Upanishad", Chapter 1, Section 6, Verse 1 in The Taittiriya Upanishad, With the Commentaries of Śaṅkarāchārya (url: http://wisdomlib.org/hinduism/book/the-taittiriya-upanishad/d/doc79780.html)
- George Thibaut. The Vedanta-Sutras with the Commentary by Sankaracarya: Sacred Books of the East, Volume 1, pp. 178 (url: http://www.bharatadesam.com/spiritual/brahma_sutra/brahma_sutra_sankara_34083.php)
- "References collected by Padmanab Goswami from Hari Bhakti Vilas". Retrieved 2009-07-13.
- "Ancient Astrological Gemstones & Talismans by Richard Shaw Brown". Retrieved 2009-07-13.
- Debroy, Bibek; Dipavali Debroy. The Garuda Purana. Shalagrama (Lulu.com). p. 42. ISBN 0-9793051-1-X. Retrieved 2009-12-21.
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