SOLD
MD-225064
Magnetite
ZCA Mine No. 4 (St Joe Mine; ZCA No. 4 mine), Balmat, Balmat-Edwards Zinc District, St Lawrence Co., New York, USA
Miniature, 5.0 x 4.9 x 4.0 cm
SOLD
Splendent, jet-black magnetite cubes to 7 mm richly cover this shapely and showy matrix plate from the ZCA #4 Mine at Balmat, New York. These specimens came out briefly and are no longer available. I maintain they are among the most interesting of American classics, unrivalled for cubic habit of magnetite from anywhere.

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