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Jurbanite

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Formula:
Al(SO4)(OH) · 5H2O
Colour:
colourless
Lustre:
Vitreous
Hardness:
Specific Gravity:
1.786
Crystal System:
Monoclinic
Name:
For Joseph John Urban (1915–1997), Tucson, Arizona, USA, mineral collector who first observed the natural material.
Dimorph of:
Compare also the related, orthorhombic khademite.


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Classification of JurbaniteHide

Approved
Approval Year:
1974
7.DB.15

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
B : With only medium-sized cations; insular octahedra and finite units
31.9.10.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
25.6.2

25 : Sulphates
6 : Sulphates of Al and Tl

Physical Properties of JurbaniteHide

Vitreous
Transparency:
Transparent
Colour:
colourless
Hardness:
2½ on Mohs scale
Density:
1.786 g/cm3 (Measured)    

Optical Data of JurbaniteHide

Type:
Biaxial (-)
RI values:
nα = 1.459 nβ = 1.473 nγ = 1.483
2V:
Measured: 80° , Calculated: 78°
Max Birefringence:
δ = 0.024
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
none

Chemical Properties of JurbaniteHide

Formula:
Al(SO4)(OH) · 5H2O

Crystallography of JurbaniteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 8.39 Å, b = 12.48 Å, c = 8.15 Å
β = 101.9°
Ratio:
a:b:c = 0.672 : 1 : 0.653
Unit Cell V:
835.02 ų (Calculated from Unit Cell)
Morphology:
Minute crystals and stalactites.

Crystallographic forms of JurbaniteHide

Crystal Atlas:
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Jurbanite - {110}, {011}
3d models and HTML5 code kindly provided by www.smorf.nl.

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Type Occurrence of JurbaniteHide

Synonyms of JurbaniteHide

Other Language Names for JurbaniteHide

German:Jurbanit
Simplified Chinese:斜铝矾
Spanish:Jurbanita
Traditional Chinese:斜鋁礬

Common AssociatesHide

Associated Minerals Based on Photo Data:
Khademite1 photo of Jurbanite associated with Khademite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DB.05AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
7.DB.05Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
7.DB.05Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2OTric.
7.DB.10KhademiteAl(SO4)F · 5H2OOrth. mmm (2/m 2/m 2/m)
7.DB.10RostiteAl(SO4)(OH) · 5H2OOrth. mmm (2/m 2/m 2/m)
7.DB.20Minasragrite(V4+O)(SO4) · 5H2OMon. 2/m
7.DB.20Orthominasragrite(V4+O)(SO4) · 5H2OOrth. mm2 : Pmn21
7.DB.20Anorthominasragrite(V4+O)(SO4) · 5H2OTric. 1 : P1
7.DB.25Bobjonesite(V4+O)(SO4) · 3H2OMon. 2/m
7.DB.30AmarantiteFe3+2(SO4)2O · 7H2OTric. 1
7.DB.30HohmanniteFe3+2(SO4)2O · 8H2OTric. 1
7.DB.30MetahohmanniteFe3+2(SO4)2O · 4H2OTric. 1 : P1
7.DB.35AluminocopiapiteAl2/3Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35CalciocopiapiteCaFe4(SO4)6(OH)2 · 10H2OTric. 1 : P1
7.DB.35CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35CuprocopiapiteCuFe4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35FerricopiapiteFe5(SO4)6O(OH) · 20H2OTric. 1 : P1
7.DB.35MagnesiocopiapiteMgFe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35ZincocopiapiteZnFe3+4(SO4)6(OH)2 · 18H2OTric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.6.1RostiteAl(SO4)(OH) · 5H2OOrth. mmm (2/m 2/m 2/m)
25.6.3KhademiteAl(SO4)F · 5H2OOrth. mmm (2/m 2/m 2/m)
25.6.4Meta-aluminiteAl2(SO4)(OH)4 · 5H2O
25.6.5AluminiteAl2(SO4)(OH)4 · 7H2OMon. 2/m : P21/b
25.6.6Meta-alunogenAl2(SO4)3 · 12H2O
25.6.7AlunogenAl2(SO4)3 · 17H2OTric. 1
25.6.8FelsőbányaiteAl4(SO4)(OH)10 · 4H2OMon. 2 : P21
25.6.9BasaluminiteAl4(SO4)(OH)10 · 4H2OHex.
25.6.10HydrobasaluminiteAl4(SO4)(OH)10 · 12-36H2OMon.
25.6.11ZaheriteAl12(SO4)5(OH)26 · 20H2OTric.
25.6.12TamarugiteNaAl(SO4)2 · 6H2OMon. 2/m
25.6.13MendoziteNaAl(SO4)2 · 11H2OMon. 2/m
25.6.14Alum-(Na)NaAl(SO4)2 · 12H2O
25.6.15NatroaluniteNaAl3(SO4)2(OH)6Trig. 3m : R3m
25.6.16KaliniteKAl(SO4)2 · 11H2O Not confirmedMon. 2/m : B2/b
25.6.17Alum-(K)KAl(SO4)2 · 12H2OIso. m3 (2/m 3)
25.6.18AluniteKAl3(SO4)2(OH)6Trig. 3m : R3m
25.6.19Natroalunite-2c(Na,Ca0.5,K)Al3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
25.6.20Tschermigite(NH4)Al(SO4)2 · 12H2OIso. m3 (2/m 3) : Pa3

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 JurbaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Anthony, J.W. & W.J. McLean (1976), Jurbanite, a new post-mining aluminum sulfate mineral from San Manuel, AZ, American Mineralogist: 61: 1-4.
Zeitschrift für Kristallographie (1985): 173: 33.

Internet Links for JurbaniteHide

Localities for JurbaniteHide

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.
Canada
 
  • Manitoba
    • Sherridon District
Geological Association of Canada (2014) Abstracts Fredericton Vol 37
Chile
 
  • Tarapacá Region
    • El Tamarugal Province
      • Pampa del Tamarugal
Gunnar Farber
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
Zacek, V., Oplustil, S., Mayova, A. & Meyer, F. R. (1995): Die Mineralien von Kladno in Mittelböhmen, Tschechische Republik. Mineralien-Welt 6 (1), 13-30 (in German).
France
 
  • Auvergne-Rhône-Alpes
    • Savoie
      • Chambéry
        • Aix-les-Bains
Audra, P. and Hobléa, F. (2007): The first cave occurence of jurbanite [Al(OHSO4)·5H2O, associated with alunogen [Al2(SO4)3·17H2O] and tschermigite [NH4Al(SO4)2·12H2O]: thermal-sulfidic serpents cave, France. Journal of Cave and Karst Studies, 69, 243–249.
Italy
 
  • Tuscany
    • Siena Province
      • Chiusdino
Sabelli C. (1984) - I minerali delle Cetine di Cotorniano (SI); I solfati dimorfi jurbanite e rostite. Periodico di Mineralogia, Roma, pp. 53-65 and Brizzi G., Ciselli I, Santucci A. (1986) - Ultime novità da le Cetine di Cotorniano - Riv. Miner. Ital., Milano, fasc. 3, pp.145-155; Menchetti, S., Batoni, M., Batacchi, C., Borselli, G., Brogi, A., Ceccantini, L., Fassina, B., Marchesini, M., Rossellini, A. & Ruggieri, G. (2015): Le Cetine di Cotorniano. Miniera e minerali. Associazione Micro-Mineralogica Italiana, Cremona, 354 p.
USA (TL)
 
  • Arizona
    • Pinal Co.
      • San Manuel District
        • San Manuel
          • San Manuel Mine (Apex Lead & Vanadium Mining Corp Mine; Quarelli group)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 264; Anthony, J.W. & W.J. McLean (1976), Jurbanite, a new post-mining aluminum sulfate mineral from San Manuel, AZ, Am.Min.: 61: 1-4.
  • Colorado
    • Clear Creek Co.
      • Geneva District
Minerals of Colorado (1997) Eckel, E. B.
  • Tennessee
    • Sevier Co.
      • Great Smoky Mountains National Park
Coskren, T. D. & Lauf, R. J. (2000): The Minerals of Alum Cave Bluff, Great Smoky Mountains, Tennessee. Mineralogical Record, 31, 163-175.; Rocks & Min. (2007) 82:235
Mineral and/or Locality  
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