Complex sentence: The name of zirconium is taken from the mineral zircon, the most important source of zirconium, and from the Persian word "zargun-زرگون", meaning "gold colored".
Split into simpler sentences: The name of zirconium is taken from the name of the mineral zircon, the most important source of zirconium. The word "zircon" comes from the Persian word "zargun-زرگون", meaning "gold colored".