July 7 (Reuters) - Pilbara Minerals Ltd PLS.AX :
* Says is engaged in negotiations to acquire a 100 per cent of the tabba tabba tantalum project
* Says it is envisaged that nagrom will continue to be involved in the project
* Transaction is currently incomplete and there is a possibility that a transaction may not eventuate"
* Mine being developed under a mining and off-take agreement with gam which includes a fixed price 5-year off-take for tantalite concentrate
* Project is at advanced stage with processing plant and mine camp construction complete & mining scheduled to commence in Q3 2015
* Source text for Eikon ID:nASX9hlPrX