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Ochiai Mine, Kohsai,
Yamanashi Prefecture
,
Chubu Region
,
Honshu Island
,
Japan
Standard
Detailed
By Chemistry
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Low temp. metamorphosed Mn ore.
Syngenetic mineralization in Miocene pyroclastic rocks of low-grade laumontite-prehnite-pumpellyite metamorphic facies.
Group 4 - Oxides and Hydroxides
Cryptomelane
4.DK.10
K(Mn
4+
,Mn
2+
)
8
O
16
Pyrolusite
4.DB.05
MnO
2
Quartz
4.DA.05
SiO
2
Group 5 - Nitrates and Carbonates
Calcite
5.AB.05
CaCO
3
Rhodochrosite
5.AB.05
MnCO
3
Group 9 - Silicates
Albite
9.FA.35
Na[AlSi
3
O
8
]
Braunite
9.AG.05
Mn
2+
Mn
3+
6
[O
8
|SiO
4
]
Caryopilite
9.ED.15
(Mn,Mg)
3
Si
2
O
5
(OH)
4
Clinozoisite
9.BG.05
{Ca
2
}{Al
3
}[O|OH|SiO
4
|Si
2
O
7
]
Johannsenite
9.DA.15
CaMn
2+
[Si
2
O
6
]
Piemontite
9.BG.05
{Ca
2
}{Al
2
Mn
3+
}[O|OH|SiO
4
|Si
2
O
7
]
Pumpellyite-(Mn2+) (TL)
9.BG.20
Ca
2
(Mn
2+
,Mg)(Al,Mn
3+
,Fe
3+
)
2
[(OH)
2
|SiO
4
|Si
2
O
7
] · H
2
O
12 entries listed. 12 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please
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