Tafsir of Surah Al-Fil 105:4
﴿تَرْمِيهِم بِحِجَارَةٍ مِّن سِجِّيلٍ﴾
Translation of the meaning
Striking them with stones of hard clay,
English Translation - Noor International Center — v1.1.2 · QuranEnc.comThe words of the two imams are given in their original Arabic, verbatim, with references.
Shaykh al-Islam Ibn Taymiyyah
{ترميهم بحجارة من سجيل} [الفيل: 4] أي: من طين مستحجر«الجواب الصحيح لمن بدل دين المسيح» 6/57