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

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Ref.: (in part): Dana 6: 853; Embrey & Symes, 1987, 111 - "Minerals of Cornwall and Devon"; Golley & Williams, 1995, 16 - "Cornish Mineral Reference Manual".

The grid reference approximately marks the site of Muttrall's Shaft.





 UK OS Grid Reference: SW729428
Map Reference: 50°14'27"N , 5°11'7"W

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Mineral List:
  		•  Chalcophyllite
    Cu
     
    18
    		Al
     
    2
    		[(OH)
     
    9
    		|SO
     
    4
    		|AsO
     
    4
    		]
     
    3
    		 · 33H
     
    2
    		O
    Reference: [Golley & Williams, 1995, 16 - "Cornish Mineral Reference Manual"]
  		•  Clinoclase
    Cu
     
    3
    		[(OH)
     
    3
    		|AsO
     
    4
    		]
    Reference: [Embrey & Symes, 1987 - "Minerals of Cornwall and Devon", 50]
  		•  Connellite
    Cu
     
    19
    		[(OH)
     
    32
    		|SO
     
    4
    		|Cl
     
    4
    		] · 3H
     
    2
    		O
    Reference: [Embrey & Symes, 1987, 102 - "Minerals of Cornwall and Devon"]
  		•  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: [No reference listed]
  		•  Cuprite
    Cu
     
    2
    		O
    Reference: [Embrey & Symes, 1987, 50 - "Minerals of Cornwall and Devon"]
    Site Photo
    Wheal Muttrall (Wheal Muttrell), Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK
    © crystal vine
  		•  Djurleite
    Cu
     
    31
    		S
     
    16
    Reference: [No reference listed]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Reference: [No reference listed]
  		•  Liroconite
    Cu
     
    2
    		Al[(OH)
     
    4
    		|AsO
     
    4
    		] · 4H
     
    2
    		O
    Reference: [Embrey & Symes, 1987, 111 - "Minerals of Cornwall and Devon"; Dana 6: 853.]
  		•  Olivenite
    Cu
     
    2
    		[OH|AsO
     
    4
    		]
    Reference: [Embrey & Symes, 1987, 116-117 - "Minerals of Cornwall and Devon"]
  		•  Pharmacosiderite
    KFe
    3+
    4
    		[(OH)
     
    4
    		|(AsO
     
    4
    		)
     
    3
    		] · 6-7H
     
    2
    		O
    Reference: [Embrey & Symes, 1987, 50 - "Minerals of Cornwall and Devon"]
  		•  Scorodite
    Fe
    3+
     
    		AsO
     
    4
    		·2H
     
    2
    		O
    Reference: [No reference listed]


    12 entries listed. 11 valid minerals.

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