The U.S. dollar rose in Tokyo and was mixed on European foreign exchanges yesterday, but ended the week on a firm tone in New York. Gold was slightly higher in Europe but eased in New York.

In Zurich gold rose $3 to close at $632.50 an ounce from $629.50 Thursday. In London gold closed $4 higher at $633.50.

In New York gold closed at $628.25, compared with $635 the day before. The Comex settlement price was $626.20 an ounce, down from $634.50 Thursday.

Silver also weakened, closing at $16 an ounce down from $16.25 Thursday. Silver settled at $15.925, down from $16.287.

In Tokyo the dollar rose to 226.65 yen from 225.15 yen Thursday and it was trading at 226.45 yen in New York.

In London the pound edged up to $2.3720 from $2.3705 and eased to $2.3715 in New York.

Other European closing prices with late New York rates in parentheses:

Zurich, 1.6493 Swiss francs, up from 1.6438 (1.6490); Frankfurt, 1.7875 marks, up from 1.7805 (1.7850); Paris 4.12125 francs, down from 4.1240 (4.12); Brussels, 28.615 Belgian francs, up from 28.545 (28.42); Amsterdam, 1.9440 guilders, up from 1d.9415 (1.9415); Milan, unchanged at 838.80 lire (841.15).