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Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK

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Ref.: Dana 7:I:381; II:573; Golley & Williams, 1995, 19 - "Cornish Mineral Reference Manual"; Embrey & Symes, 1987, 115 - "Minerals of Cornwall and Devon"; Lapis 11(2), 29-32 (1986)





 UK OS Grid Reference: SW736430
Map Reference: 50°14'34"N , 5°10'32"W

This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.



Mineral List:
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  'Apatite'
    Reference: [Lapis 11(2), 29-32 (1986)]
  		•  Arsenogorceixite
    BaAl
     
    3
    		[(OH)
     
    5
    		|(AsO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    Reference: []
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [Lapis 11(2), 29-32 (1986)]
  		•  Asbolane
    (Ni,Co)
     
    2-x
    		Mn
    4+
     
    		(O,OH)
     
    4
    		 · nH
     
    2
    		O
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [Golley & Williams, 1995, 7 - "Cornish Mineral Reference Manual"]
  		•  'Bitumen'
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Bornite
    Cu
     
    5
    		FeS
     
    4
    Reference: [No reference listed]
  		•  Cassiterite
    SnO
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © De Nul, Richard
  		•  Ceruleite
    Cu
     
    2
    		Al
     
    7
    		[(OH)
     
    13
    		|(AsO
     
    4
    		)
     
    4
    		] · 11.5H
     
    2
    		O
    Reference: []
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © Elmar Lackner
  		•  Chalcocite
    Cu
     
    2
    		S
    Reference: [No reference listed]
  		•  Chalcophyllite
    Cu
     
    18
    		Al
     
    2
    		[(OH)
     
    9
    		|SO
     
    4
    		|AsO
     
    4
    		]
     
    3
    		 · 33H
     
    2
    		O
    Reference: [Embrey & Symes, 1987, 94-95 - "Minerals of Cornwall and Devon"]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © De Nul, Richard
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Chalcopyrite
    var: Blister Copper
    Reference: []
  		•  Chenevixite
    Cu
     
    2
    		Fe
    3+
    2
    		[(OH)
     
    2
    		|AsO
     
    4
    		]
     
    2
    Reference: [No reference listed]
  		•  'Chlorite Group'
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Chrysocolla
    (Cu,Al)
     
    2
    		H
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·nH
     
    2
    		O
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Clinoclase
    Cu
     
    3
    		[(OH)
     
    3
    		|AsO
     
    4
    		]
    Reference: [Golley & Williams, 1995 - "Cornish Mineral Reference Manual", 18]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © 2002 Thames Valley Minerals
  		•  Connellite
    Cu
     
    19
    		[(OH)
     
    32
    		|SO
     
    4
    		|Cl
     
    4
    		] · 3H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 573; Golley & Williams, 1995, 19 - "Cornish Mineral Reference Manual"; Dana 7:II:573.]
  		•  Copper
    Cu
    Reference: [Golley & Williams, 1995, 19 - "Cornish Mineral Reference Manual"]
  		•  Corkite
    PbFe
     
    3
    		[(OH)
     
    6
    		|SO
     
    4
    		|PO
     
    4
    		]
    Reference: [No reference listed]
  		•  Cornubite
    Cu
     
    5
    		[(OH)
     
    2
    		|AsO
     
    4
    		]
     
    2
    Reference: [Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols]
  		•  Cornwallite
    Cu
     
    5
    		[(OH)
     
    2
    		|AsO
     
    4
    		]
     
    2
    Reference: [Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols]
  		•  Cuprite
    Cu
     
    2
    		O
    Reference: [Golley & Williams, 1995, 21 - "Cornish Mineral Reference Manual"]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © Michael C. Roarke
  		•  Cuprite
    var: Chalcotrichite
    Cu
     
    2
    		O
    Reference: [Golley & Williams, 1995, 21 - "Cornish Mineral Reference Manual"]
  		•  Cuprite
    var: Tile ore
    Cu
     
    2
    		O
    Reference: []
  		•  Erythrite
    Co
     
    3
    		(AsO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Reference: [Lapis 11(2), 29-32 (1986)]
  		•  Fluorite
    CaF
     
    2
    Reference: [Golley & Williams, 1995, 28 - "Cornish Mineral Reference Manual"]
  		•  Galena
    PbS
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Linarite
    PbCu[(OH)
     
    2
    		|SO
     
    4
    		]
    Reference: [No reference listed]
  		•  Liroconite
    Cu
     
    2
    		Al[(OH)
     
    4
    		|AsO
     
    4
    		] · 4H
     
    2
    		O
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
     
  		•  Liskeardite
    (Al,Fe
    3+
     
    		)
     
    3
    		[(OH)
     
    6
    		|AsO
     
    4
    		] · 5H
     
    2
    		O
    Reference: [No reference listed]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © Ian Jones
  		•  Marcasite
    FeS
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Mimetite
    Pb
     
    5
    		[Cl|(AsO
     
    4
    		)
     
    3
    		]
    Reference: [Embrey & Symes, 1987, 113 - "Minerals of Cornwall and Devon"]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © Ian Acworth 2004
  		•  Mixite
    BiCu
     
    6
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    Reference: [Lapis 11(2), 29-32 (1986)]
  		•  Molybdenite
    MoS
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Olivenite
    Cu
     
    2
    		[OH|AsO
     
    4
    		]
    Reference: [Embrey & Symes, 1987, 115 - "Minerals of Cornwall and Devon"]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © 2002 Thames Valley Minerals
  		•  Parnauite
    Cu
     
    9
    		[(OH)
     
    10
    		|SO
     
    4
    		|(AsO
     
    4
    		)
     
    2
    		] · 7H
     
    2
    		O
    Reference: [Golley & Williams, 1995, 47 - "Cornish Mineral Reference Manual"]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © Steve Rust
  		•  Pharmacosiderite
    KFe
    3+
    4
    		[(OH)
     
    4
    		|(AsO
     
    4
    		)
     
    3
    		] · 6-7H
     
    2
    		O
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © De Nul, Richard
  		•  Pseudomalachite
    Cu
     
    5
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    Reference: [No reference listed]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © De Nul, Richard
  		•  Pyrite
    FeS
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Pyromorphite
    Pb
     
    5
    		[Cl|(PO
     
    4
    		)
     
    3
    		]
    Reference: [Lapis 11(2), 29-32 (1986)]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © Peter Haas
  		•  Quartz
    SiO
     
    2
    Reference: [No reference listed]
  		•  Quartz
    var: Amethyst
    SiO
     
    2
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Quartz
    var: Jasper
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Quartz
    var: Smoky Quartz
    SiO
     
    2
    Reference: [Lapis 11(2), 29-32 (1986)]
  		•  Scorodite
    Fe
    3+
     
    		AsO
     
    4
    		·2H
     
    2
    		O
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © De Nul, Richard
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
    Site Photo
    Wheal Unity, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © J.Ralph
  		•  Strashimirite
    Cu
     
    8
    		[OH|AsO
     
    4
    		]
     
    4
    		 · 5H
     
    2
    		O
    Reference: [No reference listed]
  		•  Tennantite
    (Cu,Ag,Fe,Zn)
     
    12
    		As
     
    4
    		S
     
    13
    Reference: [Dana 7:I:381; Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), pp. 108.]
  		•  Torbernite
    Cu(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    Reference: [Golley & Williams, 1995, 62 - "Cornish Mineral Reference Manual"]
  		•  'Tourmaline
    var: Verdelite'
    Reference: [No reference listed]
  		•  Uraninite
    var: Pitchblende
    UO
     
    2
    Reference: [Lapis 11(2), 29-32 (1986)]
  		•  Wulfenite
    Pb[MoO
     
    4
    		]
    Reference: [No reference listed]
  		•  Wurtzite
    (Zn,Fe)S
    Reference: [No reference listed]
  		•  Zeunerite
    Cu(UO
     
    2
    		)
     
    2
    		(AsO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    Reference: [Lapis 11(2), 29-32 (1986)]


    57 entries listed. 45 valid minerals.

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