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Laubmannite (of Moore)

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Leveäniemi Mine, Svappavaara, Kiruna district, Lappland, Sweden
© Stenbutikken.dk

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Formula:
(Fe
3+
 
,Fe
2+
 
,M)
 
8+x
(OH,H
 
2
O)
 
9
(H
 
2
O)
 
2
(PO
 
4
)
 
5
, M = Fe
3+
 
, Cu
2+
 
 or other metal cation, x = approx · 0.1.
System:Orthorhombic
Name:Presently unnamed mineral originally described by Moore (1970) and structurally characterised by Kolitsch (2004); paucity of material hinders submission to IMA. Not identical with the original laubmannite, the type specimen of which was later discredited as a mixture of dufrénite, kidwellite and beraunite.


A valid, but presently officially unnamed species which was originally described by Moore (1970) and later structurally characterised by Kolitsch (2004).
The original "laubmannite" was discredited as a mixture of dufrénite, kidwellite and beraunite.

Easily confused with other iron phosphates such rockbridgeite, dufrénite, beraunite, etc.

Classification of Laubmannite (of Moore)

IMA status:Not Approved
mindat.org URL:http://www.mindat.org/min-29000.html
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Physical Properties of Laubmannite (of Moore)

Density (calculated):3.37 g/cm3

Crystallography of Laubmannite (of Moore)

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pbcm {P2/b 21/c 21/m}
Cell Parameters:a = 5.172Å, b = 13.999Å, c = 31.083Å
Ratio:a:b:c = 0.369 : 1 : 2.22
Unit Cell Volume:V 2250.5 ų
Z:4

Chemical Properties of Laubmannite (of Moore)

Formula:
(Fe
3+
 
,Fe
2+
 
,M)
 
8+x
(OH,H
 
2
O)
 
9
(H
 
2
O)
 
2
(PO
 
4
)
 
5
, M = Fe
3+
 
, Cu
2+
 
 or other metal cation, x = approx · 0.1.
Essential elements:Fe, H, O, P
All elements listed in formula:Cu, Fe, H, O, P

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 Laubmannite (of Moore)

Reference List:

- +
Moore, P. B. (1970): Crystal chemistry of the basic iron phosphates. Am. Mineral. 55, 135-169.

Dunn, P.J. (1990) Andrewsite and laubmannite formally discredited. American Mineralogist, 75, 1197-1199.

Kolitsch, U. (2004): The crystal structures of kidwellite and 'laubmannite', two complex fibrous iron phosphates. Mineralogical Magazine, 68, 147-165.

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    • Localities for Laubmannite (of Moore)

    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.
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    (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.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Walenta, K. (1981) Seltene Eisenphosphate aus der Grube Clara. Mineralien-Magazin, 5, 422-424. (in German); Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); U. Kolitsch (2004): The crystal structures of kidwellite and 'laubmannite', two complex fibrous iron phosphates. Mineral. Mag. 68, 147-165.
    • Bavaria
      • Upper Palatinate
        • Auerbach
    		Geipel, R. (1982) Sammeln in der Oberpfalz: Die Phosphatmineralien von Auerbach. Mineralien-Magazin, 6, 549-554. (in German); Stanjek, H. (1983): Auerbach/Oberpfalz. Phosphatmineralien aus der Grube Leonie. Lapis 8 (3), 9-18; 42. (in German)
    • Hesse
      • Wetzlar
        • Waldgirmes
    		Dietrich, R. (1978a): Neues zur Phosphatparagenese der Grube Rotläufchen in Waldgirmes bei Wetzlar, Teil I. Aufschluss, 29, 107-124. (in German) Dietrich, R. (1978b): Neues zur Phosphatparagenese der Grube Rotläufchen in Waldgirmes bei Wetzlar, Teil II. Aufschluss, 29, 139-153. (in German) Dietrich, R. (1982): Die Mineralien der Phosphatparagenese der Grube Rotläufchen. Emser Hefte, 4 (3), 22-47. (in German); Dietrich, R. (1978b): Neues zur Phosphatparagenese der Grube Rotläufchen in Waldgirmes bei Wetzlar, Teil II. Aufschluss, 29, 139-153. (in German); Dietrich, R. (1982): Die Mineralien der Phosphatparagenese der Grube Rotläufchen. Emser Hefte, 4 (3), 22-47. (in German)
    Sweden
     
    • Lappland
      • Kiruna district
        • Svappavaara
    		Moore, P. B. (1970): Crystal chemistry of the basic iron phosphates. Am. Mineral. 55, 135-169; Bjällerud, C.G. (1989) Phosphate minerals from the Leveäniemi iron mine, Svappavaara, Sweden. Mineralogical Record, 20, 343-346.
    USA
     
    • Alabama
      • Cherokee Co.
    		Barwood, H. (1974) Iron phosphate mineral locality at Indian Mountain, Alabama. Mineralogical Record, 5, 241-244; Museum Victoria Registration Number: M 33568; Barwood, H. & Hajek, B. (1978): Notes of Some New Occurences in Alabama. Mineralogical Record. 9: 388-391
    • Arkansas
      • Montgomery Co.
        • Norman
    		Henry Barwood (unpublished PXRD data)
      • Polk Co.
    		Moore, P. B. (1970): Crystal chemistry of the basic iron phosphates. Am. Mineral. 55, 135-169.
        • Shady
    		Henry Barwood (unpublished PXRD data)
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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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