Category:Minerals of Gunma Prefecture
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Media in category "Minerals of Gunma Prefecture"
The following 2 files are in this category, out of 2 total.
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Jimboite displayed at Mining Museum of Akita University.jpg 1,024 × 768; 1.15 MB
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Native sulfur displayed at Mining Museum of Akita University.jpg 2,400 × 1,800; 2.88 MB