Aug 9 (Reuters) - Sunstone Metals Ltd STM.AX :
* ENTERS INTO A NON-BINDING LETTER OF INTENT FOR SALE OF UNIT VISCARIA COPPER PROJECT TO COPPERSTONE RESOURCES AB
* DEAL WITH CONSIDERATION IN INITIAL STAGE COMPRISING CASH OF 40 MILLION SEK AND 160 MILLION COPPERSTONE B-SHARES PAYABLE AT CLOSING
* SECOND PHASE OF TRANSACTION COMPRISING CASH OF 20 MILLION SEK AND 46 MILLION COPPERSTONE B-SHARES
* PROPOSED THAT SUNSTONE WILL BE ABLE TO APPOINT TWO DIRECTORS TO BOARD OF COPPERSTONE