The Kitab al-Fasaha is a tradition of the Kitab al-Majmu; the original text has been lost. In the 10th century al-Ḥusayn ibn Kamāl al-Dīn al-Ghazālī, the rationalist scholar, edited and published a collection of Kitab al-Majmu under the title of Kitab al-Fasaha. This collection was most likely composed by texts attributed to Jabir for example Kitab al-Sinu bani Jabir and Masalik as-Sabab. Al-Ghazālī's book is popular among scholastic philosophers; in fact he is credited with popularizing alchemy. Since al-Ghazālī's edition, scholars have continued to make changes in the Aramaic and Arabic texts, and in different versions there are as many as 10,000 alterations.
Although Ibn al-Nadim praises al-Jahiz's work, it is evident that al-Jahiz did not know Arabic. He attempts to prove that Jabir was not Persian, but rather a Jewish philosopher from Basra, who was a student of al-Razi. This idea is unique to Ibn al-Nadim, who cites him in support of his criticism that the Kitab al-Majmu contains many inaccurate statements, including Jabir's claim of his authorship of the Kitab al-Fasaha.
The Kitab al-Majmu was not sacred book of Jabir; many more writers used his name in their Pseudophysico-alchemical commentary on the alchemical technique of amalgamation (see article on al-Makhzin). In a variant attributed to him, Jabir taught between the ages of 76 and 100. The scholarly article on al-Makhzin could also be read by Jabir himself. In 1141, al-Ruzaiqi in his book al-Dawlah al-Tibbiyyah wrote on alchemical work of al-Makhzin, as a gift for its author - al-Haythami (386-441/1016-1033).
This Persian connection is also suggested by a biography of Jabir, written in Persian, ascribed to al-Amuzu who made a life of his teacher, written in Ge'ez (Ethiopian language). Al-Amuzu reports that Jabir was a follower of Al-Farabi and Avicenna, and was also a close student of the alchemist Sanad, the grandson of the Persian alchemist, al-Hasan Dhu al-Nun al-Urduni. Al-Amuzu's book was based on the interviews of the author with Jabir's assistants, which mentions his travels to India, Persia, Egypt and Morocco. Al-Amuzu's work is mentioned by Ibn-Furakh al-Ijli (1221-1283) . 7211a4ac4a