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About LeogangiteHide

Cu10(AsO4)4(SO4)(OH)6 · 8H2O
green with a bluish tint
Specific Gravity:
3.55 (Calculated)
Crystal System:
For the type locality in several mines at Schwarzleograben, Hütten, Leogang, Saalfelden, Salzburg, Austria.
Closely related to Unnamed (Leogangite-related mineral) with which it is easily confused.

Classification of LeogangiteHide

Approval Year:

C : Phosphates without additional anions, with H2O
C : With only medium-sized cations, RO4:H2O = 1:1.5

Physical Properties of LeogangiteHide

green with a bluish tint
light green
parallel to (100)
3.55 g/cm3 (Calculated)

Optical Data of LeogangiteHide

Biaxial (-)
RI values:
nω = 1.590 nε = 1.740 n = 1.744
Measured: 182°
Max Birefringence:
δ = 0.150
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Blue-green to pale green.

Chemical Properties of LeogangiteHide

Cu10(AsO4)4(SO4)(OH)6 · 8H2O
Common Impurities:

Crystallography of LeogangiteHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 21.770(7) Å, b = 12.327(4) Å, c = 10.720(3) Å
β = 92.85(1)°
a:b:c = 1.766 : 1 : 0.87
Unit Cell V:
2873 ų

X-Ray Powder DiffractionHide

Powder Diffraction Data:
10.85 Å(100)
5.44 Å(50)
3.625 Å(50)
3.090 Å(40)
2.630 Å(60)

Type Occurrence of LeogangiteHide

General Appearance of Type Material:
Aggregates of thin tabular crystals, flattened on {100} and elongated along [010], measuring up to 0.1 mm in length, 0.05 mm in width and 0.01 mm in thickness.
Geological Setting of Type Material:
Alteration product of arsenic-rich fahlore in vugs of a tennantite-bearing dolomite breccia, intergrown with olivenite and malachite.
Associated Minerals at Type Locality:

Synonyms of LeogangiteHide

Other Language Names for LeogangiteHide

Simplified Chinese:水羟硫砷铜石
Traditional Chinese:水羥硫砷銅石

Related Minerals - Nickel-Strunz GroupingHide

8.CC.05Garyansellite(Mg,Fe)3(PO4)2(OH,O) · 1.5H2OOrth. mmm (2/m 2/m 2/m)
8.CC.05LandesiteMn2+3-xFe3+x(PO4)2(OH)x · (3-x)H2OOrth.
8.CC.05Phosphoferrite(Fe2+,Mn2+)3(PO4)2 · 3H2OOrth. mmm (2/m 2/m 2/m) : Pmna
8.CC.05Reddingite(Mn2+,Fe2+)3(PO4)2 · 3H2OOrth. mmm (2/m 2/m 2/m) : Pmna
8.CC.10KaatialaiteFe(H2AsO4)3 · 5H2OMon. 2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for LeogangiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Lengauer, C.L., Giester, G. and Kirchner, E. (1998) Cu10(AsO4)4(SO4)(OH)6.8H2O, ein neues Mineral aus Leogang, Österreich. Mitteilungen der Österreichischen Mineralogischen Gesellschaft: 143: 325-327. (in German)
Lengauer, C.L., Giester, G., Kirchner, E. (2004) Leogangite, Cu10(AsO4)4(SO4)(OH)6.8H2O, a new mineral from the Leogang mining district, Salzburg province, Austria. Mineralogy and Petrology: 81: 187-201.

Internet Links for LeogangiteHide

Localities for LeogangiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Carinthia
    • Villach-Land District
      • Finkenstein am Faaker See
        • Mallestiger Mittagskogel
  • Salzburg
    • Zell am See District
      • Leogang
        • Hütten
          • Schwarzleograben
            • Inschlag Alp
C.L. Lengauer, G. Giester, E. Kirchner: Mineralogy and Petrology 81:187-201 (2004)
            • Schwarzleo mining district
R.Poeverlein (2016)
C.L. Lengauer, G. Giester, E. Kirchner: Mineralogy and Petrology 81:187-201 (2004)
Poeverlein, R. (2008): Euchroit und seine Begleiter vom prähistorischen Bergbau, Leogang, Österreich. Lapis, 33 (5), 13-22.
            • Vogel Alp
Putz, H., Lechner, A., Poeverlein, R. (2005): Leogangit von der Vogelhalt bei Leogang, Salzburg. Lapis 30 (10), 53-55; 90; Brent Thorne collection
  • Tyrol
    • Kufstein District
      • Brixlegg
        • Geyer - Silberberg District
          • Silberberg
            • West slope ("Am Geyer")
Der Aufschluß (2006)
R. Poeverlein and J. Gröbner (2007): "Der Bergbau Geyer bei Rattenberg in Tirol und seine Mineralien", Lapis 32(2), 34-38.
Schnorrer, G. & Poeverlein, R. (2008): Schwaz-Brixlegger Fundstellen. 6. Die Minerale des Gratlspitz bei Brixlegg in Tirol. Aufschluss 59, 7-28.
C.Auer (2013)
        • St Gertraudi
          • Großkogel (Reither Kogel)
Putz, H. & Poeverlein, R. (2007): Die Mineralien des Gertraudstollens und seiner Halde in St. Gertraudi, Tirol. Lapis 32 (6), 58-63.
      • Wörgl
        • Wildschönau
          • Thierbach
            • Graschberg
R. Poeverlein, J. Gröbner & U. Kolitsch (2010): Mineralien und Bergbau vom Graschberg bei Thierbach in der Tiroler Wildschönau. Lapis 35 (3), 35-40; 54 (in German).
    • Schwaz District
      • Ringenwechsel mining district
        • Weißer Schrofen
Schnorrer, G., Poeverlein, R. (2007): Die Minerale des Martinstollens am Weißen Schrofen, Der Aufschluss, Vol. 58, 27-40
  • North Rhine-Westphalia
    • Arnsberg
      • Siegen-Wittgenstein
        • Hilchenbach
          • Müsen
Schnorrer, G., Pfeiffer, F. (2008): Leogangit, Cu10[(OH)6|(AsO4)4|(SO4)]•8H2O, ein neues Mineral von der ehemaligen Grube Wildermann in Müsen im Siegerland. Der Aufschluss, 59, 405-408.
  • Beja
    • Almodôvar
      • Santa Cruz
        • Barrigão Mine
Pedro Alves analytical data
  • Catalonia
    • Girona (Gerona)
      • Ripollès
        • Camprodon
          • Rocabruna
Rosell, J. et al. (2014): UK-112: Leogangita de la mina de les Ferreres, Rocabruna, Camprodon, Girona, Catalunya. Infominer, 61 (3/2014); Uwe Kolitsch (SXRD analysis of Franceso Xavier Ortiz Rua sample)
Mineral and/or Locality  
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