Leisingite (original) (raw)
A valid IMA mineral species
About LeisingiteHide
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Formula:
Cu2MgTe6+O6 · 6H2O
the "Mindat formula" is correct, as supported by the 2019 IMA redefinition
Colour:
Pale yellow to pale orange-yellow
Specific Gravity:
3.41 (Calculated)
Name:
Named by A.C. Roberts et al. in 1996 in honor of Joseph F. Leising (1949-), geologist and mineral collector of Reno, Nevada, USA, who helped collect the first known specimens.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:7151:8
3db843db-66b5-4cd8-a88f-1c4dcb2d408c
IMA Classification of LeisingiteHide
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Approval history:
redefinition confirmed within the IMA Newsletter no. 52
Classification of LeisingiteHide
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4.FL.65
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
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 |
|---|---|---|
| Lei | 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 LeisingiteHide
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Transparency:
Transparent, Translucent
Comment:
somewhat satiny to frosted
Colour:
Pale yellow to pale orange-yellow
Fracture:
Irregular/Uneven
Comment:
somewhat flexible
Density:
3.41 g/cm3 (Calculated)
Optical Data of LeisingiteHide
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RI values:
_n_ω = 1.803 _n_ε = 1.581
δ = 0.222
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of LeisingiteHide
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Mindat Formula:
Cu2MgTe6+O6 · 6H2O
the "Mindat formula" is correct, as supported by the 2019 IMA redefinition
Crystallography of LeisingiteHide
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Class (H-M):
3 - Pyramidal
Cell Parameters:
a = 5.305(1) Å, c = 9.693(6) Å
Morphology:
{001} is the major form and {100} and {110} are minute forms
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0005525 | Leisingite | Margison S M, Grice J D, Groat L A (1997) The crystal structure of leisingite, (Cu,Mg,Zn)2(Mg,Fe)TeO6.6H2O The Canadian Mineralogist 35 759-763 |  |
1997 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 9.70 Å | (100) |
| 4.834 Å | (80) |
| 4.604 Å | (60) |
| 2.655 Å | (60) |
| 2.556 Å | (70) |
| 2.326 Å | (70) |
Geological EnvironmentHide
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Type Occurrence of LeisingiteHide
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General Appearance of Type Material:
isolated hexagonal-shaped very thin plates or foliated masses; rarely as clusters of crystals; individual crystals, subhedral to euhedral, are less than 0.1 mm on average
Place of Conservation of Type Material:
Canadian Geological Survey, Ottawa, Canada, 67882.
Geological Setting of Type Material:
small vugs of crumbly to drusy white to colourless quartz, within the dump material
Associated Minerals at Type Locality:
Synonyms of LeisingiteHide
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Other Language Names for LeisingiteHide
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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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| 4.FL. | Trébeurdenite | Fe2+2Fe3+4O2(OH)10CO3 · 3H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
|---|---|---|---|
| 4.FL. | Mariakrite | [Ca4Al2(OH)12(H2O)4][Fe2S4] | Tric. 1 : _P_1 |
| 4.FL.05 | Woodallite | Mg6Cr2(OH)16Cl2 · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 4.FL.05 | Iowaite | Mg6Fe3+2(OH)16Cl2 · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 4.FL.05 | Jamborite | Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 4.FL.05 | Meixnerite | Mg6Al2(OH)16(OH)2 · 4H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 4.FL.05 | Muskoxite | Mg7Fe4O13 · 10H2O | Trig. 3_m_ _(_32/m ) |
| 4.FL.05 | Fougèrite | Fe2+4Fe3+2(OH)12[CO3] · 3H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 4.FL.05 | Mössbauerite | Fe3+6O4(OH)8[CO3] · 3H2O | Trig. 3 |
| 4.FL.05 | Dritsite | Li2Al4(OH)12Cl2 · 3H2O | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m c m |
| 4.FL.10 | Hydrocalumite | Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2O | Mon. 2 : _P_21 |
| 4.FL.15 | Kuzelite | Ca4Al2(OH)12[SO4] · 6H2O | Trig. |
| 4.FL.20 | Aurorite | Mn2+Mn4+3O7 · 3H2O | Trig. 3 : _R_3 |
| 4.FL.20 | Chalcophanite | ZnMn4+3O7 · 3H2O | Trig. 3 : _R_3 |
| 4.FL.20 | Ernienickelite | NiMn3O7 · 3H2O | Trig. 3 : _R_3 |
| 4.FL.20 | Jianshuiite | (Mg,Mn,Ca)Mn3O7 · 3H2O | Trig. 3 : _R_3 |
| 4.FL.25 | Woodruffite | Zn2+x/2(Mn4+1-xMn3+x)O2 · yH2O | Mon. 2/m : _B_2/m |
| 4.FL.30 | Asbolane | (Ni,Co)2-xMn4+(O,OH)4 · nH2O | Hex. |
| 4.FL.30 va | Lampadite | Cu, Mn, O, H | |
| 4.FL.35 | Buserite | Na4Mn14O27 · 21H2O | |
| 4.FL.40 | Ranciéite | (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O | Trig. 3 : _P_3 |
| 4.FL.40 | Takanelite | (Mn,Ca)Mn4O9 · H2O | Hex. |
| 4.FL.45 | Birnessite | (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O | Mon. 2/m : _B_2/m |
| 4.FL.55 | Cianciulliite | Mn(Mg,Mn)2Zn2(OH)10 · 2-4H2O | Mon. 2/m : _B_2/m |
| 4.FL.60 | Jensenite | Cu3[TeO6] · 2H2O | Mon. 2/m : _P_21/m |
| 4.FL.70 | Akdalaite | Al10O14(OH)2 | Hex. |
| 4.FL.75 | Cafetite | CaTi2O5 · H2O | Mon. 2/m : _P_21/b |
| 4.FL.80 | Mourite | UMo5O12(OH)10 | Mon. |
| 4.FL.85 | Deloryite | Cu4(UO2)(MoO4)2(OH)6 | Mon. 2/m : _B_2/m |
| 4.FL.90 | Lagalyite | Ca2xMn1-xO2 · 1.5-2H2O | Mon. |
| 4.FL.95 | Tunnerite (of Cornu) | ||
| 4.FL.100 | Carbocalumite | Ca4Al2(OH)12(CO3) · 6H2O | Trig. 3_m_ _(_32/m ) : R_3_c |
| 4.FL.100 | Mampsisite | Ca4Al2(CO3)(OH)12 · 5H2O | Tric. |
Fluorescence of LeisingiteHide
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Other InformationHide
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IR Spectrum:
[cm-1]: 3253 (structural water with an O-H stretching frequency), 1670 (H-O-H flexing frequency)
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 LeisingiteHide
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References for LeisingiteHide
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Reference List:
Roberts, Andrew C., Groat, Lee A., Grice, Joel D., Gault, Robert A., Jensen, Martin C., Moffatt, Elizabeth A., Stirling, John A. R. (1996) Leisingite, Cu(Mg,Cu,Fe,Zn)2Te6+O6·6H2O, a new mineral species from the Centennial Eureka mine, Juab County, Utah. Mineralogical Magazine, 60 (401) 653-657 doi:10.1180/minmag.1996.060.401.11
Margison, S. M., Grice, J. D., Groat, L. A. (1997) The crystal structure of leisingite, (Cu2+,Mg,Zn)2(Mg,Fe)Te6+O6·6H2O. The Canadian Mineralogist, 35 (3) 759-763
Localities for LeisingiteHide
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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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