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Gahnite
Mt. Peak Mine, Charlemont, Franklin Co., Massachusetts
5.5 x 6.1 cm
Black octahedral crystals to 5 mm on edge embedded in an iron-rich matrix. (Author: crosstimber)

Gahnite
Mt. Peak Mine, Charlemont, Franklin Co., Massachusetts
5.5 x 6.1 cm
Black octahedral crystals to 5 mm on edge embedded in an iron-rich matrix. (Author: crosstimber)

Dimensions: 800 x 585
File size: 147.48 kbytes
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