<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
EXX INC. AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                       3,557,000
<SECURITIES>                                 1,800,000
<RECEIVABLES>                                1,715,000
<ALLOWANCES>                                         0
<INVENTORY>                                  3,570,000
<CURRENT-ASSETS>                            13,038,000
<PP&E>                                      15,170,000
<DEPRECIATION>                              12,036,000
<TOTAL-ASSETS>                              16,886,000
<CURRENT-LIABILITIES>                        6,099,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        37,000
<OTHER-SE>                                   9,766,000
<TOTAL-LIABILITY-AND-EQUITY>                16,886,000
<SALES>                                     11,983,000
<TOTAL-REVENUES>                                     0
<CGS>                                        8,424,000
<TOTAL-COSTS>                                4,112,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              88,000
<INCOME-PRETAX>                               (401,000)
<INCOME-TAX>                                  (138,000)
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (263,000)
<EPS-PRIMARY>                                     (.10)
<EPS-DILUTED>                                        0