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Vergenoeg mine, Kromdraai 209 JR farm, Mpumalanga Province, South Africa

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One of the largest fluorite mines, which also produced iron ore (Fe-F-REE mineralisation). 40+ minerals (most iron). Extreme differentiation of granitic magma.
A vertical, discordant, funnel-shaped volcanic pipe, emplaced within the surrounding Rooiberg Group rhyolites of the Bushveld complex. Located 8 km SW of Rust de Winter, 65 km NE of Pretoria. Closely related prospects occur on the neighbouring farms Naauwpoort 208 JR, and Rhenosterfontein 210 JR.



References:
- Beih. z. Eur. J. Mineral. 18 (2006) 124.
- Weinert, S. (2006): "Locality data sheet: Vergenoeg fluorspar-iron ore mine (Afrique du Sud)." International Micromounter's Journal, 15(1), 4-6.
- Cairncross et al. (2008): The Vergenoeg Fluorite Mine Rocks & Minerals 81 (5), 410-421.




Group 1 - Elements
  		• Sulphur1.CC.05
    S
     
    8
    Group 2 - Sulphides and Sulfosalts
  		• Arsenopyrite2.EB.20
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
  		• Bornite2.BA.15
    Cu
     
    5
    		FeS
     
    4
  		• Chalcocite2.BA.05
    Cu
     
    2
    		S
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Covellite2.CA.05a
    CuS
  		• Galena2.CD.10
    PbS
  		• Marcasite ?2.EB.10a
    FeS
     
    2
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• Pentlandite2.BB.15
    (Fe,Ni)
     
    9
    		S
     
    8
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
  		• Tetrahedrite2.GB.05
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Group 3 - Halides
  		• Fluocerite-(Ce)3.AC.15
    (Ce,La)F
     
    3
  		• Fluorite3.AB.25
    CaF
     
    2
  		• Gearksutite3.CC.05
    Ca[Al(F,OH)
     
    5
    		(H
     
    2
    		O)]
  		• Prosopite3.CD.10
    CaAl
     
    2
    		(F,OH)
     
    8
    Group 4 - Oxides and Hydroxides
  		• Cassiterite4.DB.05
    SnO
     
    2
  		• Cryptomelane4.DK.10
    K(Mn
    4+
     
    		,Mn
    2+
     
    		)
     
    8
    		O
     
    16
  		• Cuprite4.AA.10
    Cu
     
    2
    		O
  		• Diaspore4.FD.10
    AlO(OH)
  		• Goethite4.FD.10
    α-Fe
    3+
     
    		O(OH)
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Hollandite4.DK.05
    Ba(Mn
    4+
     
    		,Mn
    2+
     
    		)
     
    8
    		O
     
    16
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Koechlinite4.DE.15
    (BiO)
     
    2
    		[MoO
     
    4
    		]
  		• Lepidocrocite4.FE.15
    γ-Fe
    3+
     
    		O(OH)
  		• Maghemite4.BB.15
    Fe
     
    2
    		O
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Pyrolusite4.DB.05
    MnO
     
    2
  		• Quartz4.DA.05
    SiO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Aurichalcite5.BA.15
    (Zn,Cu)
     
    5
    		[(OH)
     
    3
    		|CO
     
    3
    		]
     
    2
  		• Azurite5.BA.05
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Malachite5.BA.10
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
  		• Nitrocalcite5.NC.10
    Ca(NO
     
    3
    		)
     
    2
    		·4H
     
    2
    		O
  		• Siderite5.AB.05
    FeCO
     
    3
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Baryte7.AD.35
    BaSO
     
    4
  		• Brochantite7.BB.25
    Cu
     
    4
    		[(OH)
     
    6
    		|SO
     
    4
    		]
  		• Chalcanthite7.CB.20
    CuSO
     
    4
    		·5H
     
    2
    		O
  		• Gypsum7.CD.40
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
  		• Jarosite7.BC.10
    KFe
    3+
     
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Apatite-(CaF)8.BN.05
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
  		• Autunite8.EB.05
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
  		• Beudantite8.BL.05
    PbFe
     
    3
    		[(OH)
     
    6
    		|SO
     
    4
    		|AsO
     
    4
    		]
  		• Monazite-(Ce)8.AD.50
    (Ce,La,Nd,Th)PO
     
    4
  		• Xenotime-(Y)8.AD.35
    YPO
     
    4
    Group 9 - Silicates
  		• Biotite9..
  		• Chamosite9.EC.55
    (Fe
    2+
     
    		,Mg)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Chrysocolla9.ED.20
    (Cu,Al)
     
    2
    		H
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·nH
     
    2
    		O
  		• Clinochlore9.EC.55
    (Mg,Fe
    2+
     
    		)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Dioptase9.CJ.30
    Cu
     
    6
    		(Si
     
    6
    		O
     
    18
    		)·6H
     
    2
    		O
  		• Fayalite9.AC.05
    Fe
    2+
    2
    		[SiO
     
    4
    		]
  		• Ferro-Actinolite9.DE.10
    ☐[Ca
     
    2
    		][(Fe
    2+
     
    		,Mg)
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Greenalite9.ED.15
    Fe
     
    2-3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Grunerite9.DE.05
    [ ][Fe
    2+
    2
    		][Fe
    2+
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Kaolinite9.ED.05
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Pyrosmalite-(Fe)9.EE.10
    (Fe,Mn)
     
    8
    		Si
     
    6
    		O
     
    15
    		(OH,Cl)
     
    10
  		• Schorl9.CK.05
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
  		• Stilpnomelane9.EG.40
    (K,Ca,Na)(Fe
    2+
     
    		,Mg,Al,Fe
    3+
     
    		)
     
    8
    		(Si,Al)
     
    12
    		(O,OH)
     
    36
    		 · nH
     
    2
    		O
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
    Unclassified Minerals
  		• 'Bastnäsite'-
  		• 'Monazite'-
  		• 'Tourmaline'-


    67 entries listed. 63 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 register so you can add to our database!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in South Africa Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 4th Nov 2009 22:16:17