What is the ruling on performing Tayammum with substances other than pure soil?
Chapter on Tayammum
Al-Mughni
Book of Purification
Primary text
Tayammum is permissible with any pure substance that rises to the surface of the earth when soil is unavailable, including sand, salty ground, lime plaster (Nawrah), and kohl.
Supporting text
If Tayammum is performed with these substances due to the absence of soil, there are two differing narrations concerning the obligation to repeat the prayer later.