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Jurbanite

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Formula:
Al(SO
 
4
)(OH) · 5H
 
2
O
System:MonoclinicColour:colourless
Hardness:
Name:For Joseph John Urban (1915–1997), Tucson, Arizona, USA, mineral collector who first observed the natural material.
Dimorph of:Rostite


Compare also the related, orthorhombic khademite.

Classification of Jurbanite

IMA status:Approved 1974
Strunz 8th edition ID:6/D.06-10
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:31.9.10.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
Hey's CIM Ref.:25.6.2

25 : Sulphates
6 : Sulphates of Al and Tl
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Type Occurrence of Jurbanite

Type Locality:San Manuel orebody, San Manuel Mine (Apex Lead & Vanadium Mining Corp Mine; Quarelli group), San Manuel, San Manuel District, Pinal Co., Arizona, USA
Year of Discovery:1974

Physical Properties of Jurbanite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:colourless
Hardness (Mohs):
Density (measured):1.786 g/cm3

Crystallography of Jurbanite

Crystal System:Monoclinic
Cell Parameters:a = 8.39Å, b = 12.48Å, c = 8.15Å
β = 101.9°
Ratio:a:b:c = 0.672 : 1 : 0.653
Unit Cell Volume:V 835.02 ų (Calculated from Unit Cell)
Morphology:Minute crystals and stalactites.
Crystal Atlas:
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Jurbanite - {110}, {011}

About Crystal Atlas

The mindat.org Crystal Atlas allows you to view a selection of crystal drawings of real and idealised crystal forms for this mineral and, in certain cases, 3d rotating crystal objects. The 3d models and HTML5 code are kindly provided by www.smorf.nl.

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Optical Data of Jurbanite

Type:Biaxial (-)
RI values: nα = 1.459 nβ = 1.473 nγ = 1.483
2V:Measured: 80° , Calculated: 78°
Maximum Birefringence:δ = 0.024

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:none

Chemical Properties of Jurbanite

Formula:
Al(SO
 
4
)(OH) · 5H
 
2
O
Simplified for copy/paste:Al(SO4)(OH)·5H2O
Essential elements:Al, H, O, S
All elements listed in formula:Al, H, O, S

Relationship of Jurbanite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DB.05Aubertite
CuAl(SO
 
4
)
 
2
Cl · 14H
 
2
O
7.DB.05Magnesioaubertite
(Mg,Cu)Al(SO
 
4
)
 
2
Cl · 14H
 
2
O
7.DB.05Svyazhinite
(Mg,Mn
2+
 
,Ca)(Al,Fe
3+
 
)(SO
 
4
)
 
2
F · 14H
 
2
O
7.DB.10Khademite
Al(SO
 
4
)F · 5H
 
2
O
7.DB.10Rostite
Al(SO
 
4
)(OH) · 5H
 
2
O
7.DB.20Minasragrite
(V
4+
 
O)(SO
 
4
) · 5H
 
2
O
7.DB.20Orthominasragrite
(V
4+
 
O)(SO
 
4
) · 5H
 
2
O
7.DB.20Anorthominasragrite
(V
4+
 
O)(SO
 
4
) · 5H
 
2
O
7.DB.25Bobjonesite
(V
4+
 
O)(SO
 
4
) · 3H
 
2
O
7.DB.30Amarantite
Fe
3+
2
(SO
 
4
)
 
2
O · 7H
 
2
O
7.DB.30Hohmannite
Fe
3+
2
(SO
 
4
)
 
2
O · 8H
 
2
O
7.DB.30Metahohmannite
Fe
3+
2
(SO
 
4
)
 
2
O · 4H
 
2
O
7.DB.35Aluminocopiapite
Al
 
2/3
Fe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
· 20H
 
2
O
7.DB.35Calciocopiapite
CaFe
 
4
(SO
 
4
)
 
6
(OH)
 
2
· 10H
 
2
O
7.DB.35Copiapite
Fe
2+
 
Fe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
· 20H
 
2
O
7.DB.35Cuprocopiapite
CuFe
 
4
(SO
 
4
)
 
6
(OH)
 
2
· 20H
 
2
O
7.DB.35Ferricopiapite
Fe
 
5
(SO
 
4
)
 
6
O(OH) · 20H
 
2
O
7.DB.35Magnesiocopiapite
MgFe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
· 20H
 
2
O
7.DB.35Zincocopiapite
ZnFe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
· 18H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
25.6.1Rostite
Al(SO
 
4
)(OH) · 5H
 
2
O
25.6.3Khademite
Al(SO
 
4
)F · 5H
 
2
O
25.6.4Meta-aluminite
Al
 
2
(SO
 
4
)(OH)
 
4
· 5H
 
2
O
25.6.5Aluminite
Al
 
2
(SO
 
4
)(OH)
 
4
· 7H
 
2
O
25.6.6Meta-alunogen
Al
 
2
(SO
 
4
)
 
3
· 12H
 
2
O
25.6.7Alunogen
Al
 
2
(SO
 
4
)
 
3
· 17H
 
2
O
25.6.8Felsőbányaite
Al
 
4
(SO
 
4
)(OH)
 
10
· 4H
 
2
O
25.6.9Basaluminite
25.6.10Hydrobasaluminite
Al
 
4
(SO
 
4
)(OH)
 
10
· 12-36H
 
2
O
25.6.11Zaherite
Al
 
12
(SO
 
4
)
 
5
(OH)
 
26
· 20H
 
2
O
25.6.12Tamarugite
NaAl(SO
 
4
)
 
2
· 6H
 
2
O
25.6.13Mendozite
NaAl(SO
 
4
)
 
2
· 11H
 
2
O
25.6.14Alum-(Na)
NaAl(SO
 
4
)
 
2
· 12H
 
2
O
25.6.15Natroalunite
(Na,K)Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
25.6.16Kalinite
KAl(SO
 
4
)
 
2
· 11H
 
2
O Not confirmed
25.6.17Alum-(K)
KAl(SO
 
4
)
 
2
· 12H
 
2
O
25.6.18Alunite
KAl
 
3
(SO
 
4
)
 
2
(OH)
 
6
25.6.19Natroalunite-2c
(Na,Ca
 
0.5
,K)Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
25.6.20Tschermigite
(NH
 
4
)Al(SO
 
4
)
 
2
· 12H
 
2
O

Other Names for Jurbanite

Synonyms:
IMA1974-023
Other Languages:
German:Jurbanit
Russian:Джурбанит
Simplified Chinese:斜铝矾
Spanish:Jurbanita
Traditional Chinese:斜鋁礬

Other Information

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

References for Jurbanite

Reference List:

- +
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 Jurbanite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Jurbanite details from Handbook of Mineralogy (PDF)
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  • Localities for Jurbanite

    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    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
     
    • Rhône-Alpes
      • Savoie
        • Chambéry
          • Aix-les-Bains
    Journal of Cave and Karst Studies, v. 69, no. 2, p. 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
    USA
     
    • 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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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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