Al-Hijr (The Rocky Tract)

Surah 15 · Verse 74

Thus We made their (city) turn upside down and rained on them porous stones of baked clay*. [*Probably volcanic debris]

فَجَعَلْنَا عَالِيَهَا سَافِلَهَا وَأَمْطَرْنَا عَلَيْهِمْ حِجَارَةً مِنْ سِجِّيلٍ