 The original Chaldean tribe had long ago became Akkadianized, adopting Akkadian culture, religion, language and customs, blending into the majority native population, and eventually wholly disappearing as a distinct race of people, as had been the case with other preceding migrant peoples, such as the Amorites, Kassites, Suteans and Arameans of Babylonia.The Persians considered this "Chaldean societal class" to be masters of reading and writing, and especially versed in all forms of incantation, sorcery, witchcraft, and the magical arts.They spoke of astrologists and astronomers as "Chaldeans", and it is used with this specific meaning in the Book of Daniel (Dan.