sentences:  Princesses were said to be weighed against their pearls during their birthdays while Mir Osman Ali Khan, who is considered the richest among the Nizams, was said to have hoarded sacks of pearls in the basement of his palaces.Prior to the pearl trade in Hyderabad, pearls were sourced from Basra, Iraq.The pearls from this city were prized for its hardness unlike those found in the Bay of Bengal, which are softer and, thus, less durable.