Prayer on a Ship
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 62
وَ رَوَى عَنْهُ مَنْصُورُ بْنُ حَازِمٍ أَنَّهُ قَالَ: «اَلْقِيرُ مِنْ نَبَاتِ اَلْأَرْضِ.
Mansur ibn Hazim reported from him (Abu Abdullah عليه السلام) that He said: "Pitch (tar) is from the vegetation of the earth."
- Ṣaḥīḥ al-Faqīh