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Alto Benedito pegmatite (Alto Bernardino), Frei Martinho, Borborema mineral province, Paraíba, Northeast Region, Brazil

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The Alto Benedito pegmatite is also known under the incorrect name "Alto Bernardino" (used by White, 1981). Previously it was known as Alto Questão.
Located 4 km E of Frei Martinho, at the border with Picui municipality.

Refs.:
- White, J.S. (1981): Barian Goyazite from Brazil. Mineralogical Record 12, 379
- Cassedanne, J.P. (1991): Strontian Crandallite from the Alto Benedito Pegmatite, Paraiba, Brazil. Mineralogical Record 22, 183-185





Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [MinRec 22:183]
  		•  Amblygonite
    LiAl[(F,OH)|PO
     
    4
    		]
    Reference: [MinRec 22:183]
  		•  Apatite-(CaF)
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Reference: [Cassedanne, J. P., Barreto da Silva Hen, L. (1991): Strontian crandallite from the Alto Benedito pegmatite, Paraiba, Brazil. Mineral. Rec., 22, 183-185. ]
  		•  Autunite
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
    Reference: [MinRec 22:183]
  		•  Beryl
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [MinRec 22:183]
  		•  Crandallite
    var: Strontian Crandallite
    (Ca,Sr)Al
     
    3
    		(PO
     
    4
    		)
     
    2
    		(OH)
     
    5
    		·H
     
    2
    		O
    Reference: [Cassedanne, J. P., Barreto da Silva Hen, L. (1991): Strontian crandallite from the Alto Benedito pegmatite, Paraiba, Brazil. Mineral. Rec., 22, 183-185. ]
  		•  Cyrilovite
    NaFe
    3+
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [MinRec 22:183]
  		•  Ferrisicklerite
    (Fe
    3+
     
    		,LiMn
    2+
     
    		)[PO
     
    4
    		]
    Reference: [Mineralogical Record: 22: 183.]
  		•  Frondelite
    Mn
    2+
     
    		Fe
    3+
    4
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    3
    		]
    Reference: [MinRec 22:183]
  		•  'Garnet Group'
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
    Reference: [MinRec 22:183]
  		•  Goyazite
    var: Barian Goyazite
    (Sr,Ba)Al
     
    3
    		(PO
     
    4
    		)
     
    2
    		(OH)
     
    5
    		·H
     
    2
    		O
    Reference: [White, J.S. (1981): Barian Goyazite from Brazil. Mineralogical Record 12 : 379 + [MinRec 22:183]
    Site Photo
    Alto Benedito pegmatite (Alto Bernardino), Frei Martinho, Borborema mineral province, Paraíba, Northeast Region, Brazil
    © Elmar Lackner
  		•  Heterosite
    (Fe
    3+
     
    		,Mn
    3+
     
    		)[PO
     
    4
    		]
    Reference: [MinRec 22:183]
  		•  Hureaulite
    (Mn,Fe)
     
    5
    		(PO
     
    3
    		OH)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·4H
     
    2
    		O
    Reference: [MinRec 22:183]
  		•  Hydroxylherderite
    CaBe[(OH,F)|PO
     
    4
    		]
    Reference: [Clark, 1993 - "Hey's Mineral Index"]
  		•  Lepidolite
    Reference: [MinRec 22:183]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Reference: [MinRec 22:183]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [MinRec 22:183]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [MinRec 22:183]
  		•  Microlite
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
    Reference: [MinRec 22:183]
  		•  Mitridatite
    Ca
     
    2
    		Fe
    3+
    3
    		[O
     
    2
    		|(PO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    Reference: [MinRec 22:183]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [MinRec 22:183]
  		•  Phosphosiderite
    FePO
     
    4
    		·2H
     
    2
    		O
    Reference: [MinRec 22:183]
  		•  Pyrite
    FeS
     
    2
    Reference: [MinRec 22:183]
  		•  Quartz
    SiO
     
    2
    Reference: [MinRec 22:183]
  		•  Schorl
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [MinRec 22:183]
  		•  Sulphur
    S
     
    8
    Reference: [MinRec 22:183]
  		•  Tantalite
    (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
    Reference: [MinRec 22:183]
  		•  Triphylite
    LiFe
    2+
     
    		[PO
     
    4
    		]
    Reference: [MinRec 22:183]
  		•  Uraninite
    UO
     
    2
    Reference: [MinRec 22:183]
  		•  'Wad'
    Reference: [MinRec 22:183]


    30 entries listed. 23 valid minerals.

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