‏البيوع : Hadeeth No:3709 Jabir b. 'Abdullah (Allaah be pleased with them) reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) forbade Mukhabara and Muhaqala, and Muzabana, and the sale of the fruit until it is fit for eating, and its sale but with dirham and dinar. Exception is made in case of 'araya. Ata' said:...

‏البيوع : Hadeeth No:3654 Jabir b. Abdullah (Allaah be pleased with them) is reported to have said that Allaah's Messenger (sallAllaahu alayhi wa sallam) forbade the sale of a heap of dates the weight of which is unknown in accordance with the known weight of dates....