Ribawi items six substances goods which are sold by weight and by measure. The items are specified as followings:
- Gold
- Silver
- Wheat
- Dates
- Salt
- Barley
Exchange of these items of the same basis and of the same kind (i.e Gold with Gold ) it must be in the same weight and measurement with immediate of possession transfer ( القبض Qabdh ).
While the exchange of the Ribawi items of the different kind of the same basis (i.e Gold with Silver) the different of the weight and measurement and number of units are allowed, however the possession transfer ( القبض Qabdh ) is a must to be immediate .
Finally the exchange of the Ribawi items of the different kind of the different basis (i.e Gold with Dates) the different of the weight and measurement and number of units are allowed, however the possession transfer ( القبض Qabdh ) could to be immediate on spot or deferred .
These rules in exchange the Ribawi items In order to avoid the (Riba al Fadhl ربا الفضل ) which occurred because of exchange unequal amounts (measures and weights) of same kind and same basis Rabawi items . As well as avoiding (Riba al Nasiah or Riba Yad ربا النسيئة )
