Laueite Supergroup
A group of related mineral species
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About Laueite Supergroup
Max von Laue
Formula:
M12+M23+M33+(XO4)2(OH)2 · 8H2O
where
M1 = Fe2+, Mg2+, Mn2+;
M3+ = Al3+ or Fe3+;
and XO4 = PO4 or AsO4.
M1 = Fe2+, Mg2+, Mn2+;
M3+ = Al3+ or Fe3+;
and XO4 = PO4 or AsO4.
Name:
Named after the first mineral in the supergroup that had its structure determined, laueite (Moore, 1965).
The species laueite itself was named by Hugo Strunz in 1954 in honour of Max Felix Theodor von Laue (1879-1960), professor of physics at the Kaiser-Wilhelm Institute (now Max Planck Institute), Berlin, Germany and in the University of Göttingen, Göttingen, Germany. Laue was the first to verify that minerals had a regular atomic arrangement, as had been predicted by previous physicists. He directed the original experiments using x-rays to obtain a diffraction pattern that became the method for determining crystal structures.
The species laueite itself was named by Hugo Strunz in 1954 in honour of Max Felix Theodor von Laue (1879-1960), professor of physics at the Kaiser-Wilhelm Institute (now Max Planck Institute), Berlin, Germany and in the University of Göttingen, Göttingen, Germany. Laue was the first to verify that minerals had a regular atomic arrangement, as had been predicted by previous physicists. He directed the original experiments using x-rays to obtain a diffraction pattern that became the method for determining crystal structures.
The supergroup is divided into the Laueite Group (phosphates) and the Maghrebite Group (arsenates). All members are triclinic.
Structural elements include [M2O4(OH)2]7- and [M3O2(OH)2(H2O)2]3-.
Structural elements include [M2O4(OH)2]7- and [M3O2(OH)2(H2O)2]3-.
Unique Identifiers
Mindat ID:
46444
Long-form identifier:
mindat:1:1:46444:4
Classification of Laueite Supergroup
Laueite structure archetype
The laueite structure type featuring three metal sites (M1, M2, M3) and one tetrahedral site that form an open-channel framework networked by hydrogen bonds to channel water molecules. M1 is a 2+ cation and M2 and M3 are 3+ cations. In the laueite subgroup, the X site is phosphorous, whereas in the maghrebite subgroup, X is arsenic.
IMA Classification of Laueite Supergroup
IMA status notes:
IMA Approved Group Name
Approval year:
2014
First published:
2015
Approval history:
Approved by IMA in 2014 (proposal 14-F).
Chemistry of Laueite Supergroup
Mindat Formula:
M12+M23+M33+(XO4)2(OH)2 · 8H2O
where
M1 = Fe2+, Mg2+, Mn2+;
M3+ = Al3+ or Fe3+;
and XO4 = PO4 or AsO4.
where
M1 = Fe2+, Mg2+, Mn2+;
M3+ = Al3+ or Fe3+;
and XO4 = PO4 or AsO4.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0020472 | Paravauxite | Gatta G D, Vignola P, Meven M (2014) On the complex H-bonding network in paravauxite, Fe2+Al2(PO4)2(OH)2*8H2O: A single-crystal neutron diffraction study Mineralogical Magazine 78 841-850 | 2014 | Siglo Veinte mine, Potosi Department, Bolivia | 0 | 293 | |
| 0019348 | Maghrebite | Meisser N, Brugger J, Krivovichev S, Armbruster T, Favreau G (2012) Description and crystal structure of maghrebite, MgAl2(AsO4)2(OH)2*8H2O, from Aghbar, Anti-Atlas, Morocco: first arsenate in the laueite mineral group European Journal of Mineralogy 24 717-726 | 2012 | Aghbar, Anti-Atlas, Morocco | 0 | 293 | |
| 0005775 | Ushkovite | Galliski M A, Hawthorne F C (2002) Refinement of the crystal structure of ushkovite from Nevados De Palermo, Republica Argentina The Canadian Mineralogist 40 929-937 |  | 2002 | Nevados De Palermo, Republica Argentina | 0 | 293 |
| 0011083 | Kastningite | Adiwidjaja G, Friese K, Klaska K H, Schluter J (1999) The crystal structure of kastningite (Mn,Fe,Mg)(H2O)4[Al2(OH)2(H2O)2(PO4)2]*2H2O - a new hydroxyl aquated orthophosphate hydrate mineral Zeitschrift fur Kristallographie 214 465-468 | | 1999 | Waidhaus, Bavaria, Germany | 0 | 293 |
| 0014617 | Sigloite | Hawthorne F C (1988) Sigloite: The oxidation mechanism in [M2(PO4)2(OH)2(H21O)2] structures Mineralogy and Petrology 38 201-211 | 1988 | Siglo XX Mine, Llallagau, Bolivia | 0 | 293 | |
| 0014827 | Gordonite | Leavens P B, Rheingold A L (1988) Crystal structures of gordonite, MgAl2(PO4)2(OH)2(H2O)6*2H2O, and its Mn analog Neues Jahrbuch fur Mineralogie, Monatshefte 1988 265-270 | 1988 | Little Green Monster mine, Fairfield, Utah, USA | 0 | 293 | |
| 0001660 | Curetonite | Cooper M A, Hawthorne F C (1994) The crystal structure of curetonite, a complex heteropolyhedral sheet mineral Data has been corrected according to the ICSD American Mineralogist 79 545-549 | | 1994 | 0 | 293 | |
| 0014828 | Mangangordonite | Leavens P B, Rheingold A L (1988) Crystal structures of gordonite, MgAl2(PO4)2(OH)2(H2O)6*2H2O, and its Mn analog Neues Jahrbuch fur Mineralogie, Monatshefte 1988 265-270 | 1988 | 0 | 293 | ||
| 0000432 | Stewartite | Moore P B, Araki T (1974) Stewartite, MnFe2(OH)2(H2O)6[PO4]2.2H2O: Its atomic arrangement American Mineralogist 59 1272-1276 | | 1974 | 0 | 293 | |
| 0014737 | Paravauxite | Baur W H (1969) The crystal structure of paravauxite, Fe2+Al2(PO4)2(OH)2(OH2)6*2H2O Neues Jahrbuch fur Mineralogie, Monatshefte 1969 430-433 | 1969 | 0 | 293 | ||
| 0000140 | Laueite | Moore P B (1965) The crystal structure of laueite, MnFe2(OH)2(PO4)2(H2O)6.2H2O American Mineralogist 50 1884-1892 | | 1965 | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Laueite Supergroup to other Species
Laueite Supergroup Members:
| Laueite Group | M12+M23+M33+(PO4)2(OH)2 · 8H2O | |
| Curetonite | Ba(Al,Ti)(PO4)(OH,O)F | Mon. 2/m |
| Ferrolaueite | Fe2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Gordonite | MgAl2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Kastningite | (Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Kummerite | Mn2+Fe3+Al(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Laueite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Mangangordonite | Mn2+Al2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Paravauxite | Fe2+Al2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Sigloite | Fe3+Al2(PO4)2(OH)3 · 7H2O | Tric. 1 : P1 |
| Stewartite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Ushkovite | MgFe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Maghrebite Group | M12+M23+M33+(AsO4)2(OH)2 · 8H2O | |
| Césarferreiraite | Fe2+ Fe3+2(AsO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Maghrebite | MgAl2(AsO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
Other Information
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 Laueite Supergroup
mindat.org URL:
https://www.mindat.org/min-46444.html
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References for Laueite Supergroup
Localities for Laueite Supergroup
Showing 268 localities.
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The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany