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Meldon Quarry (British Rail Quarry; British Railways Quarry; B. R. Quarry), Okehampton area (Northern Dartmoor), Devon, England, UK

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Ref.:


http://www.minerals.f9.co.uk/minloc/meldon/meldon.htm





 UK OS Grid Reference: SX568925
Map Reference: 50°42'50"N , 4°1'42"W

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Group 1 - Elements
  		• Bismuth1.CA.05
    Bi
    Group 2 - Sulphides and Sulfosalts
  		• Arsenopyrite2.EB.20
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
  		• Bismuthinite2.DB.05
    Bi
     
    2
    		S
     
    3
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Galena2.CD.10
    PbS
  		• Löllingite2.EB.15a
    FeAs
     
    2
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• 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
    Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
    Group 4 - Oxides and Hydroxides
  		• Anatase4.DD.05
    TiO
     
    2
  		• Brookite4.DD.10
    TiO
     
    2
  		• Gibbsite4.FE.10
    Al(OH)
     
    3
  		• Microlite4.DH.15
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
  		• Quartz4.DA.05
    SiO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Rhodochrosite5.AB.05
    MnCO
     
    3
  		• Siderite5.AB.05
    FeCO
     
    3
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Aluminite7.DC.05
    Al
     
    2
    		[(OH)
     
    4
    		|SO
     
    4
    		] · 7H
     
    2
    		O
  		• Scheelite7.GA.05
    Ca[WO
     
    4
    		]
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Apatite-(CaF)8.BN.05
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Group 9 - Silicates
  		• Actinolite9.DE.10
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
  		• Andradite9.AD.25
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3
  		• Axinite-(Fe)9.BD.20
    Ca
     
    2
    		Fe
    2+
     
    		Al
     
    2
    		[OH|BSi
     
    4
    		O
     
    15
    		]
  		• Bavenite9.DF.25
    Ca
     
    4
    		Be
     
    2
    		Al
     
    2
    		Si
     
    9
    		O
     
    26
    		(OH)
     
    2
  		• Biotite9..
  		• Bustamite9.DG.05
    (Mn
    2+
     
    		,Ca)[SiO
     
    3
    		]
  		• Clinochlore
    var: Corundophilite    		9.EC.55
    (Mg,Fe,Al)
     
    6
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    8
  		• Datolite9.AJ.20
    CaB[OH|SiO
     
    4
    		]
  		• Diopside9.DA.15
    CaMg[Si
     
    2
    		O
     
    6
    		]
  		• Ferro-Actinolite9.DE.10
    ☐[Ca
     
    2
    		][(Fe
    2+
     
    		,Mg)
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Grossular9.AD.25
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Laumontite9.GB.10
    CaAl
     
    2
    		Si
     
    4
    		O
     
    12
    		·4H
     
    2
    		O
  		• Montmorillonite9.EC.40
    (Na,Ca)
     
    0.33
    		(Al,Mg)
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
  		• Orthoclase9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Prehnite9.DP.20
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
  		• Rhodonite9.DK.05
    MnSiO
     
    3
  		• Spessartine9.AD.25
    Mn
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Tephroite9.AC.05
    Mn
    2+
    2
    		[SiO
     
    4
    		]
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
  		• Vesuvianite9.BG.35
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
  		• Wollastonite9.DG.05
    Ca[SiO
     
    3
    		]
    Unclassified Minerals
  		• 'Apatite'-
  		• 'Axinite'-
  		• 'Chabazite'-
  		• Columbite-
    (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
  		• 'Garnet Group'-
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
  		• 'Heulandite'-
  		• 'Hornblende'-
  		• Lepidolite-
  		• 'Scapolite'-
  		• 'Tourmaline'-
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z


    53 entries listed. 42 valid minerals.

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