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Kuzelite

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Big Photo

Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
© Stephan Wolfsried

Show Kuzelite Photos (9)



Formula:
Ca
 
4
Al
 
2.4
(OH)
 
12
[SO
 
4
] · 6H
 
2
O
System:TrigonalLustre:Vitreous
Hardness:1½ - 2
Member of:Hydrocalumite Group > Hydrotalcite Supergroup
Name:For Prof. Hans Jürgen Kuzel (1932–1997), University of Erlangen, Germany, who first synthesized the compound.
This page provides mineralogical data about Kuzelite.

Classification of Kuzelite

IMA status:Approved
Strunz 8th edition ID:4/F.10-20
Nickel-Strunz 10th (pending) edition ID:4.FL.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
mindat.org URL:http://www.mindat.org/min-7147.html
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Type Occurrence of Kuzelite

Type Locality:Zeilberg Quarry, Maroldsweisach, Franconia, Bavaria, Germany

Physical Properties of Kuzelite

Lustre:Vitreous
Hardness (Mohs):1½ - 2

Crystallography of Kuzelite

Crystal System:Trigonal

Optical Data of Kuzelite

Type:Uniaxial (-)
RI values: nω = 1.504 nε = 1.485
Maximum Birefringence:δ = 0.019

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Kuzelite

Formula:
Ca
 
4
Al
 
2.4
(OH)
 
12
[SO
 
4
] · 6H
 
2
O
Essential elements:Al, Ca, H, O, S
All elements listed in formula:Al, Ca, H, O, S

Relationship of Kuzelite to other Species

Member of:Hydrocalumite Group > Hydrotalcite Supergroup
Other Members of Group:

- +
Hydrocalumite
Ca
 
8
Al
 
4
(OH)
 
12
(Cl,CO
 
3
,OH)
 
2-x
 · 4H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
4.FL.Trébeurdenite
Fe
2+
2
Fe
3+
4
O
 
2
(OH)
 
10
CO
 
3
·3H
 
2
O
4.FL.05Woodallite
Mg
 
6
Cr
 
2
(OH)
 
16
Cl
 
2
 · 4H
 
2
O
4.FL.05Iowaite
Mg
 
6
Fe
3+
2
(OH)
 
16
Cl
 
2
 · 4H
 
2
O
4.FL.05Jamborite
(Ni
2+
 
,Ni
3+
 
,Co,Fe)(OH)
 
2
(OH,S,H
 
2
O)
4.FL.05Meixnerite
Mg
 
6
Al
 
2
(OH)
 
16
(OH)
 
2
 · 4H
 
2
O
4.FL.05Muskoxite
Mg
 
7
Fe
 
4
O
 
13
 · 10H
 
2
O
4.FL.05Fougèrite
Fe
2+
4
Fe
3+
2
(OH)
 
12
[CO
 
3
]·3H
 
2
O
4.FL.10Hydrocalumite
Ca
 
8
Al
 
4
(OH)
 
12
(Cl,CO
 
3
,OH)
 
2-x
 · 4H
 
2
O
4.FL.20Aurorite
(Mn
2+
 
,Ag,Ca)Mn
4+
3
O
 
7
 · 3H
 
2
O
4.FL.20Chalcophanite
(Zn,Fe,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
4.FL.20Ernienickelite
NiMn
 
3
O
 
7
 · 3H
 
2
O
4.FL.20Jianshuiite
(Mg,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
4.FL.25Woodruffite
Zn(Mn
4+
 
,Mn
3+
 
)
 
5
O
 
10
·3½H
 
2
O
4.FL.30Asbolane
(Ni,Co)
 
2-x
Mn
4+
 
(O,OH)
 
4
 · nH
 
2
O
4.FL.35Buserite
Na
 
4
Mn
 
14
O
 
27
 · 21H
 
2
O
4.FL.40Ranciéite
(Ca,Mn)Mn
 
4
O
 
9
 · 3H
 
2
O
4.FL.40Takanelite
(Mn,Ca)Mn
 
4
O
 
9
 · H
 
2
O
4.FL.45Birnessite
(Na,Ca)
 
0.5
(Mn
4+
 
,Mn
3+
 
)
 
2
O
 
4
 · 1.5H
 
2
O
4.FL.55Cianciulliite
Mn(Mg,Mn)
 
2
Zn
 
2
(OH)
 
10
 · 2-4H
 
2
O
4.FL.60Jensenite
Cu
 
3
[TeO
 
6
] · 2H
 
2
O
4.FL.65Leisingite
Cu(Mg,Cu,Fe,Zn)
 
2
[TeO
 
6
] · 6H
 
2
O
4.FL.70Akdalaite
4Al
 
2
O
 
3
 · H
 
2
O
4.FL.75Cafetite
(Ca,Mg)(Fe,Al)
 
2
Ti
 
4
O
 
12
 · 4H
 
2
O
4.FL.80Mourite
UMo
 
5
O
 
12
(OH)
 
10
4.FL.85Deloryite
Cu
 
4
(UO
 
2
)(MoO
 
4
)
 
2
(OH)
 
6

Other Names for Kuzelite

Synonyms:
IMA1996-053
Other Languages:
German:Kuzelit
Spanish:Kuzelita

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 Kuzelite

Reference List:

- +
Pöllmann, H., Witzke, T. & Kohler, H. (1997): Kuzelite, [Ca4Al2(OH)12][(SO4).6H2O], a new mineral from Maroldsweisach/Bavaria, Germany. Neues Jahrbuch für Mineralogie, Monatshefte (1997): 423-432.

Mineralogical Record: 29: 473.

Mesbah, A., François, M., Cau-Dit-Coumes, C., Frizon, F., Filinchuk, Y., Leroux, F., Ravaux, J., Renaudin, G. (2011): Crystal structure of Kuzel's salt 3CaO•Al2O3•1/2CaSO4•1/2CaCl2•11H 2O determined by synchrotron powder diffraction. Cement and Concrete Research 41, 504-509.

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 Kuzelite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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    • Localities for Kuzelite

    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.
    Hide Locality List
    (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
     
    • Bavaria
      • Franconia
        • Maroldsweisach
    		Pöllmann, H., Witzke, T. & Kohler, H. (1997): Kuzelite, [Ca4Al2(OH)12][(SO4).6H2O], a new mineral from Maroldsweisach/Bavaria, Germany. Neues Jahrb. Mineral., Monatsh. 1997, 423-432.
    • Rhineland-Palatinate
      • Eifel
        • Mayen
          • Ettringen
            • Bellerberg volcano
    		Marko Burkhardt
              • Southern lava flow
                • Mayener Feld
    		Blass, G., Graf, H.W., Neue Mineralienfunde aus der Vulkaneifel, Mineralien-Welt 12/1, 17-25, 2001
        • Mendig
          • Bell
    		Blass, G., Graf, H.W., Kolitsch, U., Neue Funde aus der Vulkaneifel - ein Rückblick auf die Sammelsaison 2002, Mineralien-Welt 13/5, 2003
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