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Barnahallia, Connemara, Co. Galway, Ireland

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Poorly exposed skarn on northern shore of Barnahallia Lough. Irish grid ref. L 59245 55757.

Ref.: Moreton, S. & Green, D.I. (2006) Journal of the Russell Society: 9: 90-92.





Mineral List:
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: [Moreton, S. & Green, D.I. (2006) J. Russ. Soc., 9, p.90-2.]
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Moreton, S. & Green, D.I. (2006) J. Russ. Soc., 9, p.90-2.]
  		•  Calcite
    CaCO
     
    3
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Chabazite-Ca
    (Ca,K
     
    2
    		,Na
     
    2
    		)
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		]
     
    2
    		 · 12H
     
    2
    		O
    Reference: [Moreton, S. & Green, D.I. (2006) J. Russ. Soc., 9, p.90-2.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
    Site Photo
    Barnahallia, Connemara, Co. Galway, Ireland
    © Dr Stephen Moreton
  		•  Grossular
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Heulandite-Ca
    (Ca,Na)
     
    2-3
    		Al
     
    3
    		(Al,Si)
     
    2
    		Si
     
    13
    		O
     
    36
    		·12H
     
    2
    		O
    Reference: [Moreton, S. & Green, D.I. (2006) J. Russ. Soc., 9, p.90-2.]
    Site Photo
    Barnahallia, Connemara, Co. Galway, Ireland
    © Dr Stephen Moreton
  		•  Molybdenite
    MoS
     
    2
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Pyrite
    FeS
     
    2
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Quartz
    SiO
     
    2
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Scheelite
    Ca[WO
     
    4
    		]
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Stilbite-Ca
    NaCa
     
    4
    		[Al
     
    9
    		Si
     
    27
    		O
     
    72
    		] · nH
     
    2
    		O
    Reference: [Moreton, S. & Green, D.I. (2006) J. Russ. Soc., 9, p.90-2.]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Vesuvianite
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]
  		•  Wollastonite
    Ca[SiO
     
    3
    		]
    Reference: [Reynolds, N. et al (1990) Mineral localities in the Dalradian and associaed rocks of Connemara, County Galway. Geol. Surv. Irel. report series RS 90/2]


    17 entries listed. 17 valid minerals.

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