Ruling 1069
The best thing on which to perform sajdah is the turbah of His Eminence Sayyid al-Shuhadāʾ [Imam al-Ḥusayn] (ʿA), and after that, earth, then stone, and then grass.
Prayer: The Preferred Materials for Sajdah
Practical Laws of Islam as per the teachings of Ayatullah Sistani
