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Kuzelite

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Ettringer Bellerberg Mt., Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany
© Stephan Wolfsried

Show Kuzelite Photos (4)
Formula:
Ca
 
4
Al
 
2.4
(OH)
 
12.8
(SO
 
4
)·6H
 
2
O
System:TrigonalLustre:Vitreous
Hardness:1½ - 2
Name:For Prof. Hans Jurgen Kuzel of Erlangen, Germany. Who first synthesized th 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
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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)
 
12.8
(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

Related Minerals - Nickel-Strunz Grouping):

- +
4.FL.05Woodallite
Mg
 
6
Cr
 
2
(OH)
 
16
Cl
 
2
·4H
 
2
O
4.FL.05Iowaite
Mg
 
4
Fe(OH)
 
8
OCl·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)
 
18
·4H
 
2
O
4.FL.05Muskoxite
Mg
 
7
Fe
 
4
O
 
13
·10H
 
2
O
4.FL.05Fougèrite
(Fe
2+
 
,Mg)
 
6
Fe
3+
2
(OH)
 
18
 · 4H
 
2
O
4.FL.10Hydrocalumite
Ca
 
2
Al(OH)
 
7
·2H
 
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.

Articles/Blogs about Kuzelite

Internet Links for Kuzelite

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  • Raman and XRD data at RRUFF project
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  • Search for Kuzelite in the Natural History Museum (London) online catalogue
  • Kuzelite details from Handbook of Mineralogy (PDF)
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    Localities for Kuzelite

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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
     
    • 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 Mts
        • Mayen
          • Ettringen
    		[Blass, G., Graf, H.W., Neue Mineralienfunde aus der Vulkaneifel, Mineralien-Welt 12/1, 17-25, 2001] [XRD and SEM-EDX analysis (T. Witzke)]
        • 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
    Mineral and/or Locality
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