In the latter part of July, 1933, the writer found on the picking table at Franklin, New Jersey, an exceptionally large specimen of native copper. The ore from which the specimen came was being removed through the Palmer shaft. The actual level then being worked, or the mode of occurrence could not be ascertained. 1 he mass is roughly rectangular in outline; 10¾ inches (27 cm.) in length and 5¼ inches (13 cm.) in width. Two octahedra of native copper are present at one end of the specimen, both being about 15 mm. in horizontal section. There are, moreover, several smaller octahedra of the same substance, possessing somewhat sharper terminations. Cleaned and trimmed, the nugget weighed 3056.5 grams, or, something over six and one-half pounds. Approximately one-quarter of the surface is encrusted with typical granular willemite-franklinite ore. Calcite, green copper carbonate, barite, and hodgkinsonite complete the mineral association. The latter mineral is relatively scarce at Franklin.

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