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Minerals that include Cr, Fe, O

  • 'Aluminian Chromite'
    • Fe(Cr,Al)
     
    2
    		O
     
    4
  • 'Alumo-chrompicotite'
    • (Mg,Fe)(Cr,Al)
     
    2
    		O
     
    4
  • 'Alumoberezovite'
    • (Fe,Mg)(Cr,Al)
     
    2
    		O
     
    4
  • 'Berezovskite'
    • (Fe,Mg)(Cr,Al)
     
    2
    		O
     
    4
  • Carmichaelite
    • (Ti,Cr,Fe)[O
     
    2-x
    		(OH)
     
    x
    		]
  • Chromceladonite
    • K(Mg,Fe
    2+
     
    		)(Cr,Al)[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
  • Chromdravite
    • [Na][Mg
     
    3
    		][(Cr
    3+
     
    		,Fe
    3+
     
    		)
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
  • 'Chromian Yukonite'
    • Ca
     
    3
    		(Fe
    3+
     
    		,Cr)[(OH)
     
    3
    		|(AsO
     
    4
    		)
     
    2
    		] · 5H
     
    2
    		O
  • Chromite
    • FeCr
     
    2
    		O
     
    4
  • 'Chromohercynite'
    • Fe(Al,Cr)
     
    2
    		O
     
    4
  • 'Cobalt-Chrompicotite'
    • (Mg,Fe,Co)(Cr,Al)
     
    2
    		O
     
    4
  • Cochromite
    • (Co,Ni,Fe)(Cr,Al)
     
    2
    		O
     
    4
  • 'Davidite-(Y)'
    • (La,Ce,Ca,□)(U,Y)(Fe
    3+
     
    		,Mg)
     
    2
    		(Ti,Fe
    3+
     
    		,Cr,]
     
    18
    		O
     
    38
  • 'Ferrian Chromite'
    • Fe
    2+
     
    		(Cr,Fe
    3+
     
    		)
     
    2
    		O
     
    4
  • 'Garnet Group'
    • X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
  • Hawthorneite
    • BaMgTi
     
    3
    		Cr
     
    4
    		Fe
     
    4
    		O
     
    19
  • 'Hydrotalcite Group'
    • Mg
     
    6
    		R
    3+
    2
    		(OH)
     
    16
    		CO
     
    3
    		·4H
     
    2
    		O, where R
    3+
     
    		 = Al, Cr, or Fe
  • 'Ishkulite'
    • Fe
    2+
     
    		(Fe
    3+
     
    		,Cr)
     
    2
    		O
     
    4
  • Lindsleyite
    • (Ba,Sr)(Ti,Zr,Fe,Cr)
     
    21
    		O
     
    38
  • Loveringite
    • (Ca,Ce)(Ti,Fe,Cr,Mg)
     
    21
    		O
     
    38
  • 'Manasseite Group'
    • Mg
     
    6
    		R
    3+
    2
    		(OH)
     
    16
    		CO
     
    3
    		·4H
     
    2
    		O, where R
    3+
     
    		 = Al, Cr, or Fe
  • Manganochromite
    • (Mn,Fe)(Cr,V)
     
    2
    		O
     
    4
  • 'Manganochromite-Vuorelainenite Series'
    • (Mn
    2+
     
    		,Fe
    2+
     
    		)(Cr
    3+
     
    		,V
    3+
     
    		)
     
    2
    		O
     
    4
    		 - (Mn
    2+
     
    		,Fe
    2+
     
    		)(V
    3+
     
    		,Cr
    3+
     
    		)
     
    2
    		O
     
    4
  • Mathiasite
    • K(Ti,Cr,Fe,Mg,Zr)
     
    21
    		O
     
    38
  • 'Mongshanite'
    • (Mg,Cr,Fe
    2+
     
    		)
     
    2
    		(Ti,Zr)
     
    5
    		O
     
    12
  • Mountkeithite
    • (Mg,Ni)
     
    11
    		(Fe
    3+
     
    		,Cr
    3+
     
    		,Al)
     
    3
    		[(OH)
     
    24
    		|(SO
     
    4
    		,CO
     
    3
    		)
     
    3.5
    		] · 11H
     
    2
    		O
  • 'Nichromite'
    • (Ni,Co,Fe)(Cr,Fe,Al)
     
    2
    		O
     
    4
  • 'Picotite'
    • (Fe,Mg)(Al,Cr)
     
    2
    		O
     
    4
  • Polyakovite-(Ce)
    • (Ce,Ca)
     
    4
    		(Mg,Fe
    2+
     
    		)(Cr
    3+
     
    		,Fe
    3+
     
    		)
     
    2
    		(Ti,Nb)
     
    2
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
  • 'Redingtonite'
    • (Fe
    2+
     
    		,Mg,Ni)(Cr,Al)
     
    2
    		(SO
     
    4
    		)
     
    4
    		·22H
     
    2
    		O
  • Redledgeite
    • Ba
     
    x
    		([Cr,Fe,V]
    3+
    2x
    		Ti
     
    8-2x
    		)O
     
    16
  • 'Tawmawite'
    • Ca
     
    2
    		(Al,Fe
    3+
     
    		,Cr)
     
    3
    		[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  • Volkonskoite
    • Ca
     
    0.3
    		(Cr,Mg,Fe)
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
  • Vuorelainenite
    • (Mn,Fe)(V,Cr)
     
    2
    		O
     
    4
  • Xieite
    • Fe
    2+
     
    		Cr
     
    2
    		O
     
    4
  • Yimengite
    • K(Cr,Ti,Fe,Mg)
     
    12
    		O
     
    19

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