Refer To Quran

7 of 14 related verses

70 : 8

The Day that the sky will be like the boiling filth of oil, (or molten copper or silver or lead, etc.).

يَوْمَ تَكُونُ السَّمَاءُ كَالْمُهْلِ

70 : 9

And the mountains will be like flakes of wool,

وَتَكُونُ الْجِبَالُ كَالْعِهْنِ