The Complete Pilgrimage Guide · Hadith 623 (#Ḥadīth #5)

5 حَدَّثَنِي مُحَمَّدُ بْنُ جَعْفَرٍ عَنْ مُحَمَّدِ بْنِ الْحُسَيْنِ عَنْ شَيْخٍ مِنْ أَصْحَابِنَا عَنْ أَبِي الصَّبَّاحِ الْكِنَانِيِّ عَنْ أَبِي عَبْدِ اللَّهِ (ع) قَالَ طِينُ قَبْرِ الْحُسَيْنِ (ع) فِيهِ شِفَاءٌ وَ إِنْ أُخِذَ عَلَى رَأْسِ مِيلٍ

5. It is narrated that Abū ‘Abdillāh (Imam Sādiq ) said: Allāh will cure anyone who has an illness if he starts treating himself using the clay of the grave of Ḥusain except in the case of a deathly illness.

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).