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Gruber Quarry, Unterberg, Großarl, Großarl valley, Radstädter Tauern Mts, Salzburg, Austria

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(Steinbruch Gruber, Unterberg, Großarl, Großarltal, Radstädter Tauern, Salzburg, Österreich)

Mineralizations in triassic dolomite (Radstatt series), hosted by chlorite schists and sericite-quartzite schists.
Located near Unterberg, north of Großarl.



References:
- A. Strasser: Die Minerale Salzburgs, 1989





Mineral List:
  		•  'Adularia'
    KAlSi
     
    3
    		O
     
    8
    Habit: epitaxially grown on albite
    Colour: white
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Apatite-(CaF)
    var: Carbonate-rich Apatite-(CaF)
    Ca
     
    5
    		[(F,O)|(PO
     
    4
    		,CO
     
    3
    		)
     
    3
    		]
    Reference: [R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)]
  		•  Aragonite
    CaCO
     
    3
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Habit: crystals to 1 cm
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Baryte
    BaSO
     
    4
    Colour: white, pale pink
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Calcite
    CaCO
     
    3
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  'Chlorite Group'
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Clinochlore
    var: Pennine
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Clinochlore
    var: Sheridanite
    (Mg,Al,Fe)
     
    6
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    8
    Reference: [R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)]
  		•  Dolomite
    CaMg(CO
     
    3
    		)
     
    2
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Fluorite
    CaF
     
    2
    Colour: different shades of violet, frequently colour zoned
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Habit: botryoidal aggregates
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Pyrite
    FeS
     
    2
    Habit: cubes (in chlorite slates), minute octahedrons (on dolomite and fluorite), pentagon dodecahedrons
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Quartz
    var: Jasper
    Reference: [R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)]
  		•  Quartz
    var: Rock Crystal
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Rutile
    TiO
     
    2
    Habit: tiny prismatic crystals
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Scheelite ?
    Ca[WO
     
    4
    		]
    Description: probably, a fluorescing fluorapatite was mistaken for scheelite
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Tennantite
    (Cu,Ag,Fe,Zn)
     
    12
    		As
     
    4
    		S
     
    13
    Habit: crystals to 1 cm along the edge
    Reference: [A. Strasser: Die Minerale Salzburgs, 1989]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [Carinthia II 182./102. (1992) 135-136]


    25 entries listed. 17 valid minerals.

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