Ceratonia siliqua harubh. "Ceratonia siliqua", the scientific name of the carob tree, derives from the Greek "kerátiοn" κεράτιον 'fruit of the carob (from "keras" κέρας 'horn'), and Latin "siliqua" 'pod, carob'. The unit "carat", used for weighing precious metal and stones, also comes from κεράτιον, as alluding to an ancient practice of weighing gold and gemstones against the seeds of the carob tree by people in the Middle East. The system was eventually standardized, and one carat was fixed at 0.2 grams. In late Roman times, the pure gold coin known as the "solidus" weighed 24 carat seeds (about 4.5 grams). As
Pure Gold Jewellers Al Maktoum Charitable Trust, Bait-ul-Khair, the UAE's Education Ministry and the Health Ministry, among many others. Firoz Merchant has also contributed towards Corrective Institutions in order to release prisoners belonging to various nationalities jailed in the UAE. As a kind gesture, Merchant has decided to spend 1 million US dollars (3.8 million dirhams) to help free prisoners who are behind bars in UAE due to non-payment of debts. He has already paid 150,000 dirhams for the release of 132 prisoners from Ajman Central jail. He will pay the remaining amount to secure the release of more prisoners. Pure Gold Jewellers