Leogangite (original) (raw)
A valid IMA mineral species
About LeogangiteHide
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Formula:
Cu10(AsO4)4(SO4)(OH)6 · 8H2O
Colour:
Green with a bluish tint
Specific Gravity:
3.55 (Calculated)
Crystal System:
Monoclinic
Name:
Named for the Leogang mining district that includes the type locality mines at Schwarzleograben, Hütten, Leogang, Saalfelden, Salzburg, Austria.
Co-Type Localities:
ⓘ Magnesite mine, Inschlag Alp, Schwarzleograben, Hütten, Leogang, Zell am See District, Salzburg, Austria
ⓘ Daniel adit, Schwarzleo mining district, Schwarzleograben, Hütten, Leogang, Zell am See District, Salzburg, Austria
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:26518:0
d3d9e473-f7fb-4293-803e-c73e38560592
IMA Classification of LeogangiteHide
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Type description reference:
Kirchner, E., Lengauer, C. L., Giester, G. (2004) Leogangite, Cu10(AsO4)4(SO4)(OH)6·8H2O, a new mineral from the Leogang mining district, Salzburg province, Austria. Mineralogy and Petrology, 81 (1) 187-201 doi:10.1007/s00710-004-0032-x
Classification of LeogangiteHide
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8.CC.15
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
C : With only medium-sized cations, RO4:H2O = 1:1.5
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Lgg | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of LeogangiteHide
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Colour:
Green with a bluish tint
Cleavage:
Perfect
parallel to (100)
Density:
3.55 g/cm3 (Calculated)
Optical Data of LeogangiteHide
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RI values:
_n_ω = 1.590 _n_ε = 1.740 n = 1.744
δ = 0.150
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
Blue-green to pale green.
Chemistry of LeogangiteHide
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Mindat Formula:
Cu10(AsO4)4(SO4)(OH)6 · 8H2O
Crystallography of LeogangiteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 21.770(7) Å, b = 12.327(4) Å, c = 10.720(3) Å
β = 92.85(1)°
Ratio:
a:b:c = 1.766 : 1 : 0.87
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0014647 | Leogangite | 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 | 2004 | Leogang polymetallic ore district, Salzburg province, Austria | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 10.85 Å | (100) |
| 5.44 Å | (50) |
| 3.625 Å | (50) |
| 3.090 Å | (40) |
| 2.630 Å | (60) |
Geological EnvironmentHide
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Type Occurrence of LeogangiteHide
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Co-Type Localities:
ⓘ Magnesite mine, Inschlag Alp, Schwarzleograben, Hütten, Leogang, Zell am See District, Salzburg, Austria
ⓘ Daniel adit, Schwarzleo mining district, Schwarzleograben, Hütten, Leogang, Zell am See District, Salzburg, Austria
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.
Place of Conservation of Type Material:
Natural History Museum, Vienna, Austria; M8873.
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:
Reference:
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.
Synonyms of LeogangiteHide
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Other Language Names for LeogangiteHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 8.CC. | Correianevesite | Fe2+Mn2+2(PO4)2 · 3H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
|---|---|---|---|
| 8.CC.05 | Garyansellite | (Mg,Fe)3(PO4)2(OH,O) · 1.5H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.CC.05 | Kryzhanovskite | (Fe3+,Mn2+)3(PO4)2(OH,H2O)3 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.CC.05 | Landesite | Mn2+3-xFe3+x(PO4)2(OH)x · (3-x)H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.CC.05 | Phosphoferrite | (Fe2+,Mn2+)3(PO4)2 · 3H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a |
| 8.CC.05 | Reddingite | (Mn2+,Fe2+)3(PO4)2 · 3H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a |
| 8.CC.10 | Kaatialaite | Fe(H2AsO4)3 · 5H2O | Mon. 2/m |
Other InformationHide
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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for LeogangiteHide
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References for LeogangiteHide
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Reference List:
Kirchner, E., Lengauer, C. L., Giester, G. (2004) Leogangite, Cu10(AsO4)4(SO4)(OH)6·8H2O, a new mineral from the Leogang mining district, Salzburg province, Austria. Mineralogy and Petrology, 81 (1) 187-201 doi:10.1007/s00710-004-0032-x
Localities for LeogangiteHide
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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
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.