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Meta-aluminite

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Formula:
Al2(SO4)(OH)4 · 5H2O
Hardness:
1 - 2
Name:
Named by C. Frondel in 1968 for its relationship to aluminite and being in a lower hydration state.
This page provides mineralogical data about Meta-aluminite.


Hide all sections | Show all sections

Classification of Meta-aluminiteHide

Approved
7.DC.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
C : With only medium-sized cations; chains of edge-sharing octahedra
31.7.5.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
25.6.4

25 : Sulphates
6 : Sulphates of Al and Tl

Physical Properties of Meta-aluminiteHide

Hardness:
1 - 2 on Mohs scale

Optical Data of Meta-aluminiteHide

Type:
Biaxial (-)
RI values:
nα = 1.497 nβ = 1.512 nγ = 1.513
Max Birefringence:
δ = 0.016
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively weak

Chemical Properties of Meta-aluminiteHide

Formula:
Al2(SO4)(OH)4 · 5H2O

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.35 Å(79)
6.85 Å(53)
4.48 Å(100)
4.36 Å(67)
3.708 Å(35)
3.669 Å(30)
3.596 Å(34
Å(

Type Occurrence of Meta-aluminiteHide

Synonyms of Meta-aluminiteHide

Other Language Names for Meta-aluminiteHide

Simplified Chinese:变矾石

Related Minerals - Nickel-Strunz GroupingHide

7.DC.05AluminiteAl2(SO4)(OH)4 · 7H2OMon. 2/m : P21/b
7.DC.10ButleriteFe3+(SO4)(OH) · 2H2OMon. 2/m : P21/m
7.DC.10ParabutleriteFe3+(SO4)(OH) · 2H2OOrth. mmm (2/m 2/m 2/m)
7.DC.15FibroferriteFe3+(SO4)(OH) · 5H2OMon.
7.DC.20XitieshaniteFe3+(SO4)Cl · 6H2OMon. 2/m : P21/b
7.DC.25BotryogenMgFe3+(SO4)2(OH) · 7H2OMon. 2/m
7.DC.25Zincobotryogen(Zn,Mg,Mn2+)Fe3+(SO4)2(OH) · 7H2OMon. 2/m
7.DC.30ChaidamuiteZnFe3+(SO4)2(OH) · 4H2OTric. 1 : P1
7.DC.30GuilditeCuFe3+(SO4)2(OH) · 4H2OMon. 2/m : P21/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.6.1RostiteAl(SO4)(OH) · 5H2OOrth. mmm (2/m 2/m 2/m)
25.6.2JurbaniteAl(SO4)(OH) · 5H2OMon.
25.6.3KhademiteAl(SO4)F · 5H2OOrth. mmm (2/m 2/m 2/m)
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 · 11H2OMon. 2/m : B2/b
25.6.17Alum-(K)KAl(SO4)2 · 12H2OIso. m3 (2/m 3) : Pa3
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 Meta-aluminiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Frondel, C. (1968): Meta-aluminite, a new mineral from Temple Mountain, Utah. Am. Mineral., 53, 717-721.
Zeitschrift für Kristallographie (1980): 151: 141-152.

Internet Links for Meta-aluminiteHide

Localities for Meta-aluminiteHide

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
 
  • Saskatchewan
Greengrass, K., Last, W. M., Deleqiat, J., & Suklmn, S. (1999). Waldsea lake Revisited: Another look at the Recent History of One of Western Canada's Best-studied Meromictic lakes.
  • Yukon
    • Dawson mining district
MinRec 23:4-47
Robinson, G.W., Van Velthuizen, J., Ansell, H.G. & Sturman, B.D. (1992): Mineralogy of the Rapid Creek and Big Fish River area, Yukon Territory. Mineralogical Record 23, 1-47.
France
 
  • Brittany
    • Finistère
Italy
 
  • Tuscany
    • Grosseto Province
      • Montieri
Bazzoni C. et al., 2003. Il "Filone di Boccheggiano": miniere e minerali. Riv. Miner. Ital., 1: 78-89
USA
 
  • Utah
    • Emery Co.
      • San Rafael Mining District (San Rafael Swell)
UGMS Bull 117 Minerals and Mineral Localities of Utah
Am Min 53:717-721
 
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