SOLD
PAS-04
Manganite
Lake Superior, Michigan, USA
Small Cabinet, 7.7 x 7.6 x 4.6 cm
Ex. Philadelphia Academy of Natural Sciences
SOLD
An old specimen with interlocking sprays of manganite, to 2.5 cm, embedded in ore matrix. Classic old material from Michigan's brief heyday of mining a few other elements besides copper, but rarely seen today on the market

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