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Shiraoi mine, Shiraoi-cho, Shiraoi-gun, Iburi Province, Hokkaido, Japan
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Detailed Mineral List:
Goethite
Formula: α-Fe3+O(OH)
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
'Limonite'
Formula: FeO(OH) · nH2O
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)


2 entries listed. 1 valid mineral.
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