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Kuzelite

A valid IMA mineral species

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Photos of Kuzelite (20)

Kuzelite Gallery Search Photos of Kuzelite

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Kuzelite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Kuzelite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Kuzelite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Kuzelite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Kuzelite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Kuzelite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Kuzelite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Kuzelite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

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About KuzeliteHide

Formula:

Ca₄Al₂(OH)₁₂[SO₄] · 6H₂O

Colour:

white

Lustre:

Vitreous

Hardness:

1½ - 2

Specific Gravity:

1.99

Crystal System:

Trigonal

Member of:

Hydrocalumite Group > Hydrotalcite Supergroup

Name:

For Prof. Hans Jürgen Kuzel (1932–1997), University of Erlangen, Germany, who first synthesized the compound.

Type Locality:

ⓘ Zeilberg Quarry, Maroldsweisach, Haßberge District, Lower Franconia, Bavaria, Germany

This page provides mineralogical data about Kuzelite.

Unique IdentifiersHide

Mindat ID:

7147

Long-form identifier:

mindat:1:1:7147:1

GUID
(UUID V4):

086aeeff-35c9-4a9c-b2cb-ede8871ff7ae

IMA Classification of KuzeliteHide

IMA status:

Approved

IMA Formula:

Ca₄Al₂(OH)₁₂(SO₄) · 6H₂O

Type description reference:

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 (9) 423-432 doi:10.1127/njmm/1997/1997/423

Classification of KuzeliteHide

Strunz-mindat (2024):

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Kuz	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of KuzeliteHide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

white

Streak:

white

Hardness:

1½ - 2 on Mohs scale

Cleavage:

Perfect
{0001}

Fracture:

Irregular/Uneven

Density:

1.99(5) g/cm³ (Measured) 2.014 g/cm³ (Calculated)

Optical Data of KuzeliteHide

Type:

Uniaxial (-)

RI values:

n_ω = 1.504(5) n_ε = 1.485(5)

Max Birefringence:

δ = 0.019

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Chemistry of KuzeliteHide

Mindat Formula:

Ca₄Al₂(OH)₁₂[SO₄] · 6H₂O

Elements listed:

Al, Ca, H, O, S - search for minerals with similar chemistry

Crystallography of KuzeliteHide

Crystal System:

Trigonal

Cell Parameters:

a = 5.76(1) Å, c = 53.66(2) Å

Ratio:

a:c = 1 : 9.316

Unit Cell V:

1,541.79 Å³ (Calculated from Unit Cell)

Morphology:

Platy hexagonal to rhomboidal crystals, to 2 mm

Comment:

Point Group: 3 or 3.; Space Group: R3 or R3.

Crystal StructureHide

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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)
0014757	Kuzelite	Allmann R (1977) Refinement of the hybrid layer structure [Ca2Al(OH)6]+[1/2SO43H2O]- Neues Jahrbuch fur Mineralogie, Monatshefte 1977 136-144		1977		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Kuzelite'
loop_
_publ_author_name
'Allmann R'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 1977 
_journal_year 1977
_journal_page_first 136
_journal_page_last 144
_publ_section_title
;
 Refinement of the hybrid layer structure [Ca2Al(OH)6]+*[1/2SO4*3H2O]-
 Note: z(Wat1) adjusted to match reported bond lengths
;
_database_code_amcsd 0014757
_chemical_formula_sum 'Ca2 Al O11 H12 S.5'
_cell_length_a 5.7586
_cell_length_b 5.7586
_cell_length_c 26.7946
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 769.505
_exptl_crystal_density_diffrn      2.015
_symmetry_space_group_name_H-M 'R -3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'y,-x+y,-z'
  '2/3+y,1/3-x+y,1/3-z'
  '1/3+y,2/3-x+y,2/3-z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
  '-x,-y,-z'
  '2/3-x,1/3-y,1/3-z'
  '1/3-x,2/3-y,2/3-z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  'x-y,x,-z'
  '2/3+x-y,1/3+x,1/3-z'
  '1/3+x-y,2/3+x,2/3-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ca   0.66667   0.33333   0.02134   1.00000 ?
Al   0.00000   0.00000   0.00000   1.00000 ?
O-h   0.25110  -0.05470   0.03731   1.00000 ?
H   0.21100  -0.11500   0.06670   1.00000   0.04053
S   0.00000   0.00000   0.49550   0.25000 ?
O1   0.00000   0.00000   0.54860   0.25000 ?
O2   0.26880   0.18210   0.47710   0.25000 ?
Wat2   0.26880   0.18210   0.47710   0.16667 ?
Wat1   0.66667   0.33333   0.11452   1.00000 ?
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ca 0.00811 0.00811 0.02848 0.00405 0.00000 0.00000
Al 0.00722 0.00722 0.02408 0.00361 0.00000 0.00000
O-h 0.01153 0.01355 0.02699 0.00684 -0.00038 0.00215
S 0.02482 0.02482 0.03495 0.00124 0.00000 0.00000
O1 0.07726 0.07726 0.02153 0.03863 0.00000 0.00000
O2 0.04534 0.05877 0.06420 0.02014 0.00291 -0.00051
Wat2 0.04534 0.05877 0.06420 0.02014 0.00291 -0.00051
Wat1 0.04851 0.04851 0.03608 0.02425 0.00000 0.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
8.972 Å	(100)
4.476 Å	(70)
2.362 Å	(40)
2.190 Å	(40)
2.071 Å	(35)
4.004 Å	(30)
2.882 Å	(30)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust	>4.50
9 : Lava/xenolith minerals (hornfels, sanidinite facies)
Near-surface Processes
25 : Evaporites (prebiotic)

Type Occurrence of KuzeliteHide

Type Locality:

ⓘ Zeilberg Quarry, Maroldsweisach, Haßberge District, Lower Franconia, Bavaria, Germany

Place of Conservation of Type Material:

Martin Luther University, Halle, Germany.

Geological Setting of Type Material:

carbonaceous xenoliths in basalt

Associated Minerals at Type Locality:

Ettringite	Afwillite	Natrolite	Calcite	Calcite
Gyrolite	Portlandite	Apophyllite Group

Reference:

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.

Synonyms of KuzeliteHide

IMA1996-053

Other Language Names for KuzeliteHide

German:Kuzelit

Spanish:Kuzelita

Relationship of Kuzelite to other SpeciesHide

Member of:

Hydrocalumite Group > Hydrotalcite Supergroup

Other Members of this group:

Hydrocalumite	Ca₄Al₂(OH)₁₂(Cl,CO₃,OH)₂ · 4H₂O	Mon. 2 : P2₁
Mariakrite	[Ca₄Al₂(OH)₁₂(H₂O)₄][Fe₂S₄]	Tric. 1 : P1

Common AssociatesHide

Associated Minerals Based on Photo Data:

1 photo of Kuzelite associated with Hydrocalumite

Ca₄Al₂(OH)₁₂(Cl,CO₃,OH)₂ · 4H₂O

Related Minerals - Strunz-mindat Grouping Hide

4.FL.	Trébeurdenite	Fe²⁺₂Fe³⁺₄O₂(OH)₁₀CO₃ · 3H₂O	Trig. 3m (3 2/m) : R3m
4.FL.	Mariakrite	[Ca₄Al₂(OH)₁₂(H₂O)₄][Fe₂S₄]	Tric. 1 : P1
4.FL.	Carbocalumite	Ca₄Al₂(OH)₁₂(CO₃) · 6H₂O	Trig. 3m (3 2/m) : R3c
4.FL.05	Woodallite	Mg₆Cr₂(OH)₁₆Cl₂ · 4H₂O	Trig. 3m (3 2/m) : R3m
4.FL.05	Iowaite	Mg₆Fe³⁺₂(OH)₁₆Cl₂ · 4H₂O	Trig. 3m (3 2/m) : R3m
4.FL.05	Jamborite	Ni²⁺_1-xCo³⁺_x(OH)_2-x(SO₄)_x · nH₂O	Trig. 3m (3 2/m) : R3m
4.FL.05	Meixnerite	Mg₆Al₂(OH)₁₆(OH)₂ · 4H₂O	Trig. 3m (3 2/m) : R3m
4.FL.05	Muskoxite	Mg₇Fe₄O₁₃ · 10H₂O	Trig. 3m (3 2/m)
4.FL.05	Fougèrite	Fe²⁺₄Fe³⁺₂(OH)₁₂[CO₃] · 3H₂O	Trig. 3m (3 2/m) : R3m
4.FL.05	Mössbauerite	Fe³⁺₆O₄(OH)₈[CO₃] · 3H₂O	Trig. 3
4.FL.05	Dritsite	Li₂Al₄(OH)₁₂Cl₂ · 3H₂O	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mcm
4.FL.10	Hydrocalumite	Ca₄Al₂(OH)₁₂(Cl,CO₃,OH)₂ · 4H₂O	Mon. 2 : P2₁
4.FL.20	Aurorite	Mn²⁺Mn⁴⁺₃O₇ · 3H₂O	Trig. 3 : R3
4.FL.20	Chalcophanite	ZnMn⁴⁺₃O₇ · 3H₂O	Trig. 3 : R3
4.FL.20	Ernienickelite	NiMn₃O₇ · 3H₂O	Trig. 3 : R3
4.FL.20	Jianshuiite	(Mg,Mn,Ca)Mn₃O₇ · 3H₂O	Trig. 3 : R3
4.FL.25	Woodruffite	Zn²⁺_x/2(Mn⁴⁺_1-xMn³⁺_x)O₂ · yH2O	Mon. 2/m : B2/m
4.FL.30	Asbolane	(Ni,Co)_2-xMn⁴⁺(O,OH)₄ · nH₂O	Hex.
4.FL.30 va	Lampadite	Cu, Mn, O, H
4.FL.35	Buserite	Na₄Mn₁₄O₂₇ · 21H₂O
4.FL.40	Ranciéite	(Ca,Mn²⁺)_0.2(Mn⁴⁺,Mn³⁺)O₂ · 0.6H₂O	Trig. 3 : P3
4.FL.40	Takanelite	(Mn,Ca)Mn₄O₉ · H₂O	Hex.
4.FL.45	Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O	Mon. 2/m : B2/m
4.FL.55	Cianciulliite	Mn(Mg,Mn)₂Zn₂(OH)₁₀ · 2-4H₂O	Mon. 2/m : B2/m
4.FL.60	Jensenite	Cu₃[TeO₆] · 2H₂O	Mon. 2/m : P2₁/m
4.FL.65	Leisingite	Cu₂MgTe⁶⁺O₆ · 6H₂O	Trig. 3 : P3
4.FL.70	Akdalaite	Al₁₀O₁₄(OH)₂	Hex.
4.FL.75	Cafetite	CaTi₂O₅ · H₂O	Mon. 2/m : P2₁/b
4.FL.80	Mourite	UMo₅O₁₂(OH)₁₀	Mon.
4.FL.85	Deloryite	Cu₄(UO₂)(MoO₄)₂(OH)₆	Mon. 2/m : B2/m
4.FL.90	Lagalyite	Ca_2xMn_1-xO₂ · 1.5-2H₂O	Mon.
4.FL.95	Tunnerite (of Cornu)

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.

Internet Links for KuzeliteHide

mindat.org URL:

https://www.mindat.org/min-7147.html
Please feel free to link to this page.

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External Links:

Look for Kuzelite on Webmineral

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for KuzeliteHide

Reference List:

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., Génin, J.-M. R., Kameda, T., Colombo, F. (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76 (5) 1289-1336 doi:10.1180/minmag.2012.076.5.10

(2023) Kuzelite. Handbook of Mineralogy. Mineralogical Society of America

Localities for KuzeliteHide

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 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). ~~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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Germany (TL)
Bavaria Lower Franconia Haßberge District Maroldsweisach ⓘ Zeilberg Quarry (TL)	Pöllmann et al. (1997)
Rhineland-Palatinate Mayen-Koblenz Mayen ⓘ Seekante	Blass
Mendig Bell ⓘ Rothenberg Quarry	Blass
Vordereifel Ettringen ⓘ Caspar quarry	Marko Burkhardt

Kuzelite

About KuzeliteHide

Unique IdentifiersHide

IMA Classification of KuzeliteHide

Classification of KuzeliteHide

Mineral SymbolsHide

Physical Properties of KuzeliteHide

Optical Data of KuzeliteHide

Chemistry of KuzeliteHide

Crystallography of KuzeliteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of KuzeliteHide

Synonyms of KuzeliteHide

Other Language Names for KuzeliteHide

Relationship of Kuzelite to other SpeciesHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for KuzeliteHide

References for KuzeliteHide

Localities for KuzeliteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide