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Zincaluminite

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Formula:
Zn6Al6(SO4)2(OH)16 · 5H2O
Colour:
White, bluish-white, pale blue; colourless in transmitted light.
Hardness:
2½ - 3
Specific Gravity:
2.26
Name:
From its composition, containing ZINC plus ALUM (aluminium sulfate) and its similarity to aluminite.
A questionable mineral with undetermined X-ray powder pattern and unknown crystallography. Compare also zincowoodwardite.

As part of the recent re-evaluation of the nomenclature of the hydrotalcite supergroup (Mills et al., 2012), zincaluminite was confirmed to be a questionable species which needs further investigation.


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Classification of ZincaluminiteHide

Approved, 'Grandfathered' (first described prior to 1959), Questionable
First Published:
2012
6/D.08-100
7.DD.35

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra
31.2.3.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
2 : (AB)6(XO4)Zq·xH2O
25.5.9

25 : Sulphates
5 : Sulphates of Zn and Hg

Pronounciation of ZincaluminiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of ZincaluminiteHide

Transparency:
Translucent
Colour:
White, bluish-white, pale blue; colourless in transmitted light.
Hardness:
2½ - 3 on Mohs scale
Density:
2.26 g/cm3 (Measured)    

Optical Data of ZincaluminiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.534 nε = 1.514
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Comments:
Biaaxial + at times, with a small 2V.

Chemical Properties of ZincaluminiteHide

Formula:
Zn6Al6(SO4)2(OH)16 · 5H2O
IMA Formula:
(Zn,Al)9(SO4)2(OH)18 · nH2O

Crystallography of ZincaluminiteHide

Morphology:
Minute crystals as very thin hexagonal plates, forming crusts; tufts.

Type Occurrence of ZincaluminiteHide

Other Language Names for ZincaluminiteHide

Relationship of Zincaluminite to other SpeciesHide

Other Members of this group:
Carrboydite[(Ni1-xAlx)(OH)2][SO4]x/2 · nH2OHex.
Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
Hydrohonessite(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OHex.
Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Serpierite5 photos of Zincaluminite associated with Serpierite on mindat.org.
Alumino Adamite2 photos of Zincaluminite associated with Alumino Adamite on mindat.org.
Azurite1 photo of Zincaluminite associated with Azurite on mindat.org.
Cuprian Adamite1 photo of Zincaluminite associated with Cuprian Adamite on mindat.org.
Rosasite1 photo of Zincaluminite associated with Rosasite on mindat.org.
Aurichalcite1 photo of Zincaluminite associated with Aurichalcite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DD.05FelsőbányaiteAl4(SO4)(OH)10 · 4H2OMon. 2 : P21
7.DD.10LangiteCu4(SO4)(OH)6 · 2H2OMon. m
7.DD.10PosnjakiteCu4(SO4)(OH)6 · H2OMon. m : Pm
7.DD.10WroewolfeiteCu4(SO4)(OH)6 · 2H2OMon. m : Pm
7.DD.15SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
7.DD.20KtenasiteZn(Cu,Zn)4(SO4)2(OH)6 · 6H2OMon.
7.DD.25ChristeliteCu2Zn3(SO4)2(OH)6 · 4H2OTric.
7.DD.30CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon.
7.DD.30DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.30OrthoserpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OOrth. mm2 : Pca21
7.DD.30SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OMon. 2/m : B2/b
7.DD.30NiedermayriteCdCu4(SO4)2(OH)6 · 4H2OMon. 2/m : P21/m
7.DD.30EdwardsiteCu3Cd2(SO4)2(OH)6·4H2O Mon. 2/m : P21/b
7.DD.35Carrboydite[(Ni1-xAlx)(OH)2][SO4]x/2 · nH2OHex.
7.DD.35Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35Honessite(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35Hydrohonessite(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OHex.
7.DD.35MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : R3m
7.DD.35Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
7.DD.35ShigaiteMn6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig.
7.DD.35WermlanditeMg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : P3c1
7.DD.35WoodwarditeCu1-xAlx(OH)2[SO4]x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35Hydrowoodwardite(Cu1-xAlx)(OH)2[SO4]x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35ZincowoodwarditeZn1-xAlx(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35NatroglaucoceriniteZn6Al3(OH)18[Na(H2O)6](SO4)2•6H2OHex.
7.DD.35NikischeriteFe2+6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig.
7.DD.40Lawsonbauerite(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.40Torreyite(Mg,Mn2+)72Mn2+2Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.45MooreiteMg92Mn2Zn4(SO4)2(OH)26 · 8H2OMon. 2/m : P2/b
7.DD.50NamuwiteZn4(SO4)(OH)6 · 4H2OTrig. 3 : P3
7.DD.55BechereriteZn7Cu(OH)13[(SiO(OH)3(SO4)]Trig. 3 : P3
7.DD.60Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2OMon. 2/m
7.DD.65VonbezingiteCa6Cu3(SO4)3(OH)12 · 2H2OMon. 2/m : P21/b
7.DD.70RedgilliteCu6(SO4)(OH)10 · H2OMon. 2/m : P21/b
7.DD.75ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2OMon. 2 : P21
7.DD.75Nickelalumite(Ni,Cu)Al4(SO4,(NO3)2)(OH)12 · 3H2OMon.
7.DD.75KyrgyzstaniteZnAl4(SO4)(OH)12·3H2OMon.
7.DD.80GuarinoiteZn6(SO4)(OH)10 · 5H2OHex.
7.DD.80Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2OTrig.
7.DD.80ThérèsemagnaniteNaCo4(SO4)(OH)6Cl·6H2OHex.
7.DD.80UM1992-30-SO:CCuHZn(Zn,Cu)7(SO4,CO3)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.85MontetrisaiteCu6(SO4)(OH)10 · 2H2OOrth. mm2 : Cmc21

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.5.1ZinkositeZnSO4Orth.
25.5.2GoslariteZnSO4 · 7H2OOrth. 2 2 2 : P21 21 21
25.5.3NamuwiteZn4(SO4)(OH)6 · 4H2OTrig. 3 : P3
25.5.4KtenasiteZn(Cu,Zn)4(SO4)2(OH)6 · 6H2OMon.
25.5.5Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2OMon. 2/m
25.5.6Boyleite(Zn,Mg)SO4 · 4H2OMon. 2/m : P21/b
25.5.7SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OMon. 2/m : B2/b
25.5.8OrthoserpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OOrth. mm2 : Pca21
25.5.10Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
25.5.11GunningiteZnSO4 · H2OMon. 2/m : B2/b
25.5.12ChaidamuiteZnFe3+(SO4)2(OH) · 4H2OTric. 1 : P1
25.5.13Bianchite(Zn,Fe)SO4 · 6H2OMon. 2/m : P2/m
25.5.15Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2OMon.
25.5.16Zincobotryogen(Zn,Mg,Mn2+)Fe3+(SO4)2(OH) · 7H2OMon. 2/m
25.5.17SchuetteiteHg2+3(SO4)O2Trig. 3 2 : P31 2 1
25.5.18Gianellaite[(NHg2)2](SO4)(H2O)xIso. 4 3m : F4 3m

Other InformationHide

Notes:
Soluble in acids and alkalies.
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 ZincaluminiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bertrand and Damour (1881) Bulletin de la Société française de Minéralogie: 4: 135, 136.
Damour, A. & Bertrand, E. (1882): Zinc aluminite, a new mineral species. Jahrb. f. Mineral. 2, 351-352 (in German(?)).
Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 159.
Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume II: 579-580.
Mills, S.J., Christy, A.G., Genin, J.-M.R., Kameda, T., Colombo, F. (2012): Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76, 1289-1336.

Internet Links for ZincaluminiteHide

Localities for ZincaluminiteHide

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.
Germany
 
  • North Rhine-Westphalia
    • Sauerland
      • Iserlohn
        • Letmathe
Schnorrer-Köhler, G. (1986) Neue Minerale von der Schlackenhalde der ehemaligen Zinkhütte Genna in Letmathe/Sauerland. Aufschluss 37 (2), 55-67.; Pawlowski, D. (1991) Mineralfundstellen im Sauerland. Weise (Munich).; Bender/Marl, D. & Krimmelbein/Altena, W. (1994) Aktuelle Übersicht: Mineralien der Zinkhütte Genna/Sauerland. Stand Juni 1994. Mineralien-Welt, 4/94, 10.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
LAPIS 24 (7/8) 1999; Wendel, W. and Markl, G. (1999) Lavrion: Mineralogische Klassiker und Raritäten für Sammler. LAPIS 24 (7/8):34-52
          • Kamariza Mines (Kamareza Mines)
            • Hilarion area
Bertrand and Damour (1881): Bulletin de la Société française de Minéralogie: 4: 135, 136.; Damour, A. & Bertrand, E. (1882): Zinc aluminite, a new mineral species. Jahrb. f. Mineral. 2, 351-352 (in German(?)).; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 580.
Heymann, J. (1982): Al-Adamin. LAPIS 7 (3), 26-28.
USA
 
  • Nevada
    • Lyon Co.
      • Wilson District
        • Desert Creek Ranch
NBMG Spec Pub 31 Minerals of Nevada
Mineral and/or Locality  
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