«خُلِقَتِ الْمَلَائِكَةُ مِنْ نُورٍ، وَخُلِقَ إِبْلِيسُ مِنْ مَارِجٍ مِنْ نَارٍ، وَخُلِقَ آدَمُ مِمَّا وُصِفَ لَكُم»
(The angels were created from light, Iblis was created from smokeless fire, and Adam was created from that which has been described to you.) When matters are crucial, every vessel leaks that which it contains and is betrayed by its true nature. Iblis used to do what the angels did and resembled them in their devotion and worship, so he was included when they were addressed, but he disobeyed and went against what he was told to do. So Allah points out here that he was one of the Jinn, i.e., he was created from fire, as He says elsewhere: