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|Name:||For Joseph John Urban (1915–1997), Tucson, Arizona, USA, mineral collector who first observed the natural material.|
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:||184.108.40.206|
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
|Density (measured):||1.786 g/cm3|
Crystallography of Jurbanite
|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 Å³ (Calculated from Unit Cell)|
|Morphology:||Minute crystals and stalactites.|
About Crystal AtlasYou may need to scroll this box using your mouse to view the full instructions.
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. You need Java to see these. You can download Java for free - click here to download Java
The 3d models and java code are kindly provided by www.smorf.nl. You can control the movement of the models by holding down the left mouse-button over the 3d model and moving your mouse. Keyboard controls are:
Optical Data of Jurbanite
|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.
Chemical Properties of Jurbanite
|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):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Jurbanite
|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
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
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.
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