TY - BOOK AU - Hakim Mohammad Said TI - The book most comprehensive in knowledge on precious stones: al-Beruni’s book on mineralogy = [Kitāb al-jamāhir fī maʻrifat al-jawāhir Abu al-Rayhān Muḥammad ibn Aḥmad al-Bayrūnī] SN - 9698016287(HB) U1 - 553.8 PY - 1989/// PB - Islamabad : Pakistan Hijra Council KW - Precious stones --Early works to 1800. Mineralogy --Early works to 1800 ER -