 As tonalli was considered to be an indication of destiny or fate, the possession of gemstones served as direct evidence of those with positive fates despite low births and the auspicious destinies of members of the elite class.The tonalli operated within a complex that involved the god of the birth date and the human.The soul of the individuality of a person, resided inside; but the god of the tonalli resided outside The co-essence of tonalli in a human body is subject to the power of an external god/time that could lodge in a person's body.