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Otaniyama mine, Yamada, Shimohei-gun, Iwate Prefecture, Tohoku Region, Honshu Island, Japan



Detailed Mineral List:
Alleghanyite
Formula: Mn2+5(SiO4)2(OH)2
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Bannisterite
Formula: Ca0.5(K,Na)0.5(Mn,Fe,Zn)10(Si,Al)16O38(OH)8 · 5.5H2O
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Calcite
Formula: CaCO3
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Galaxite
Formula: (Mn,Fe,Mg)(Al,Fe)2O4
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Ganophyllite
Formula: (K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Hausmannite
Formula: MnMn2O4
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Hematite
Formula: Fe2O3
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Jacobsite
Formula: Mn2+Fe3+2O4
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Kutnohorite
Formula: Ca(Mn,Mg,Fe)(CO3)2
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Manganosite
Formula: MnO
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Nambulite
Formula: (Li,Na)Mn4Si5O14(OH)
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Quartz var: Chert
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan); Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Rhodochrosite
Formula: MnCO3
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Rhodonite
Formula: MnSiO3
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Stilpnomelane
Formula: (K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36 · nH2O
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
Tephroite
Formula: Mn2+2SiO4
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Tinzenite
Formula: (Ca,Mn2+,Fe2+)6Al4(B2Si8O30)(OH)2
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Winchite
Formula: ☐{CaNa}{Mg4Al}(Si8O22)(OH)2
Reference: Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)


20 entries listed. 19 valid minerals.
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