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Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil

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(Lavra da Ilha)

Pegmatite.
Located on a small island in the Jequitinhonha river.



References:
- Mineral. Rec. 4(5), 207-213 (1973)





Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [MinRec 21:413]
  		•  Amblygonite
    (Li,Na)Al[(F,OH)|PO
     
    4
    		]
    Description: Using the method of Cerny and Cerna (revised), the method shows that late stage pocket crystals of this series are nearly end-member montebrasite. Mineral dealers continue to label and sell amblygonite, but they do not have it.
    Reference: [Van King]
    Site Photo
    Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    © 2001 John H. Betts
  		•  'Apatite'
    Reference: [MinRec 21:413]
    Site Photo
    Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    © Russell G. Rizzo
  		•  Beryllonite
    NaBe[PO
     
    4
    		]
    Reference: [Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV]
  		•  Childrenite
    (Fe
    2+
     
    		,Mn
    2+
     
    		)Al[(OH)
     
    2
    		|PO
     
    4
    		] · H
     
    2
    		O
    Description: "The denomination childrenite, sometimes used is incorrect."
    Reference: [Min. Rec. 4(5), 207-213 (1973)]
    Site Photo
    Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    © CCURTO08
  		•  Eosphorite
    (Mn
    2+
     
    		,Fe
    2+
     
    		)Al[(OH)
     
    2
    		|PO
     
    4
    		] · H
     
    2
    		O
    Reference: [No reference listed]
    Site Photo
    Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    © 2005 M. Kampf
  		•  Lepidolite
    Reference: [No reference listed]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [No reference listed]
  		•  Montgomeryite
    Ca
     
    4
    		MgAl
     
    4
    		[(OH)
     
    2
    		|(PO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 12H
     
    2
    		O
    Reference: [Min Rec (1973) 4 (5), 207-213]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [MinRec 21:413]
  		•  Pyrite
    FeS
     
    2
    Reference: [MinRec 21:413]
  		•  Quartz
    SiO
     
    2
    Reference: [MinRec 21:413]
    Site Photo
    Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    © Dan Weinrich
  		•  Quartz
    var: Rose Quartz
    Reference: [MinRec 21:413]
    Site Photo
    Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    © 1995-2001 Trinity Mineral Co.
  		•  Rockbridgeite
    Fe
    2+
     
    		Fe
    3+
    4
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    3
    		]
    Reference: [Min Rec (1973) 4 (5), 207-213]
  		•  Roscherite
    Ca
     
    2
    		(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    5
    		Be
     
    4
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    6
    		] · 6H
     
    2
    		O
    Description: When you actually read this reference, you see that roscherite was definitely NOT reported.
    Reference: [MinRec 21:413]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Min Rec (1973) 4 (5), 207-213]
  		•  Vivianite
    Fe
    2+
    3
    		(PO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Reference: [Min Rec (1973) 4 (5), 207-213]
  		•  Wardite
    NaAl
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [www.johnbetts-fineminerals.com]
    Site Photo
    Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    © 2001 John H. Betts
  		•  Whiteite-(CaFeMg) (TL)
    Ca(Fe
    2+
     
    		,Mn
    2+
     
    		)Mg
     
    2
    		Al
     
    2
    		(PO
     
    4
    		)
     
    4
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
    Type Locality: Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    Reference: [Mineralogical Magazine 1978 42 : 309-323.]
  		•  Whiteite-(MnFeMg) (TL)
    (Mn
    2+
     
    		,Ca)(Fe
    2+
     
    		,Mn
    2+
     
    		)Mg
     
    2
    		Al
     
    2
    		(PO
     
    4
    		)
     
    4
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
    Type Locality: Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    Reference: [Mineralogical Magazine 1978 42 : 309-323.]
  		•  Zanazziite (TL)
    Ca
     
    2
    		(Mg,Fe)(Mg,Fe,Al)
     
    4
    		Be
     
    4
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    6
    		] · 6H
     
    2
    		O
    Type Locality: Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    Reference: [MinRec 21:413-417]
    Site Photo
    Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
    © Karl Volkman 03/06


    21 entries listed. 15 valid minerals. 3 type localities (valid minerals). 3 erroneous literature entries.

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