Turbah Karbala
Turbah Karbala, or Khāk-e Shifā, or "Turbah of Imam Hussain" is the soil taken from Hussain ibn Ali's grave in the city of Karbala. Shia Muslims use it to make turbah and misbaha.
Background
According to Islamic narrations, "Turbah Karbala" has diverse effects, and prostrating on it is considered as a Mustahab practice during the time of prayer. The sixth Imam of Shia Islam, Ja'far al-Sadiq named this soil as affairs trouble-shooter.Turbah which means soil, grave, tomb, etc., is regarded as every soil around each holy grave among the Islamic prophet Muhammad, The Twelve Imams and Imamzadehs; but exclusively it is attributed to the soil of Hussain ibn Ali's grave, and the phrases "Tin-al-Qabr" or "al-Tin" are considered as it according to the hadiths of Shia Imams.
"Turbah Karbala" has various influences, amongst: