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Ananai mine, Outoyo (Ohtoyo), Kochi Prefecture, Shikoku Island, Japan

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Metasedimentary manganese ore. Mine now closed.




Group 2 - Sulphides and Sulfosalts
  		• Cinnabar2.CD.15a
    HgS
    Group 4 - Oxides and Hydroxides
  		• Hausmannite4.BB.10
    MnMn
     
    2
    		O
     
    4
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Quartz4.DA.05
    SiO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Rhodochrosite5.AB.05
    MnCO
     
    3
    Group 9 - Silicates
  		• Actinolite9.DE.10
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
  		• Aegirine9.DA.25
    NaFe
    3+
     
    		[Si
     
    2
    		O
     
    6
    		]
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Alleghanyite9.AF.45
    Mn
    2+
    5
    		[(OH)
     
    2
    		|(SiO
     
    4
    		)
     
    2
    		]
  		• Andradite9.AD.25
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3
  		• Axinite-(Mn)9.BD.20
    Ca
     
    2
    		Mn
    2+
     
    		Al
     
    2
    		[OH|BSi
     
    4
    		O
     
    15
    		]
  		• Bannisterite9.EG.75
    Ca
     
    0.5
    		(K,Na)
     
    0.5
    		(Mn,Fe,Zn)
     
    10
    		(Si,Al)
     
    16
    		O
     
    38
    		(OH)
     
    8
    		·5.5H
     
    2
    		O
  		• Bementite9.EE.05
    Mn
     
    5
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    6
  		• Braunite9.AG.05
    Mn
    2+
     
    		Mn
    3+
    6
    		[O
     
    8
    		|SiO
     
    4
    		]
  		• Caryopilite9.ED.15
    (Mn,Mg)
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Epidote-(Sr) (TL)9.BG.05
    CaSrAl
     
    2
    		Fe
    3+
     
    		(Si
     
    2
    		O
     
    7
    		)(SiO
     
    4
    		)O(OH)
  		• Gageite9.DH.35
    Mn
     
    21
    		O
     
    3
    		(Si
     
    4
    		O
     
    12
    		)
     
    2
    		(OH)
     
    20
  		• Ganophyllite9.EG.30
    (K,Na,Ca)
     
    2
    		Mn
     
    8
    		(Si,Al)
     
    12
    		(O,OH)
     
    32
    		·8H
     
    2
    		O
  		• Natronambulite9.DK.05
    (Na,Li)(Mn,Ca)
     
    4
    		Si
     
    5
    		O
     
    14
    		OH
  		• Neotocite9.ED.20
    (Mn,Fe,Mg)SiO
     
    3
    		·H
     
    2
    		O
  		• Okhotskite9.BG.20
    Ca
     
    8
    		(Mn
    2+
     
    		,Mg)
     
    4
    		(Mn
    3+
     
    		,Al,Fe)
     
    8
    		Si
     
    12
    		O
     
    56-n
    		(OH)
     
    n
  		• Parsettensite9.EG.40
    K
     
    1.2
    		Mn
     
    8
    		(Si,Al)
     
    12
    		O
     
    26
    		(OH)
     
    10
  		• Piemontite-(Sr)9.BG.05
    {CaSr}{Al
     
    2
    		Mn
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Prehnite9.DP.20
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
  		• Rhodonite9.DK.05
    MnSiO
     
    3
  		• Taneyamalite9.DH.65
    (Na,Ca)(Mn,Mg,Fe)
     
    12
    		Si
     
    12
    		(O,OH)
     
    44
  		• Tephroite9.AC.05
    Mn
    2+
    2
    		[SiO
     
    4
    		]
  		• Tinzenite9.BD.20
    (Ca,Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    3
    		Al
     
    2
    		[OH|BSi
     
    4
    		O
     
    15
    		]
    Unclassified Minerals
  		• 'Chlorite Group'-
  		• 'Pumpellyite'-


    31 entries listed. 29 valid minerals.

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