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Pyrolusite
specimen number:
2631934
location:
Jackson mine, Negaunee, Marquette Co., Michigan, USA
description:
Tightly compacted acicular crystals of what I believe to be pyrolusite forming a 6.0 x 5.0 x 3.5 cm cluster. An old label from the dealer A. E. Foote calls this manganite and is glued to the bottom of the matrix. Shipping weight: 0.24 pounds. Ex Bruce and Dale Wadleigh collection.
Size: 6.0 x 5.0 x 3.5 cm (small-cabinet)
Collection: Bruce & Dale Wadleigh
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