Conversation so far:
What is Mandaeism's relationship with Cosmology?
Mandaean theology is not systematic as there's no one single authoritative account of the creation of the cosmos, but rather a series of several accounts.
What were some of Mandaeism's accounts of the creation of the cosmos?
Mandaean religious texts recall a discrete division between light and darkness. Ptahil, the third emanation, fills the role as the creator of the material world.

Question: What divides them?
Self-contained rewrite: What divides the Ginza Rba scriptures?