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Vonbezingite

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Big Photo

Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
© Brent Thorne 2007




Formula:
Ca
 
6
Cu
 
3
(SO
 
4
)
 
3
(OH)
 
12
 · 2H
 
2
O
System:MonoclinicColour:Deep blue
Hardness:4
Name:Named after K. Ludi Von Bezing, physician and mineral collector.
This page provides mineralogical data about Vonbezingite.

Classification of Vonbezingite

IMA status:Approved 1991
Strunz 8th edition ID:6/D.18-40
Nickel-Strunz 10th (pending) edition ID:7.DD.65

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
Dana 8th edition ID:31.5.1.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
5 : (AB)3(XO4)Zq·xH2O
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Type Occurrence of Vonbezingite

Type Locality:Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
Year of Discovery:1991

Physical Properties of Vonbezingite

Lustre:Vitreous
Colour:Deep blue
Streak:Light blue
Hardness (Mohs):4

Crystallography of Vonbezingite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b {P1 1 21/b} {P21/c} {P1 21/c 1} {P21/a}
Space Group Setting:P21/c
Cell Parameters:a = 15.122(2) Å, b = 14.358(1) Å, c = 22.063(4) Å
β = 108.68(1)°
Ratio:a:b:c = 1.053 : 1 : 1.537
Unit Cell Volume:V 4,538.01 ų (Calculated from Unit Cell)
Z:8
Morphology:15.122(2) b = 14.358(1) c = 22.063(4)
Twinning:On {001} by merohedry
X-Ray Powder Diffraction:
d-spacingIntensity
3.393 (100)
3.368 (55)
3.120 (85)
3.200 (53)
3.188 (65)
3.098 (57)
2.769 (41)

Optical Data of Vonbezingite

Type:Biaxial (-)
RI values: nα = 1.590 nβ = 1.610 nγ = 1.619
2V:Measured: 65° to 67°, Calculated: 66°
Maximum Birefringence:δ = 0.029

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

Chemical Properties of Vonbezingite

Formula:
Ca
 
6
Cu
 
3
(SO
 
4
)
 
3
(OH)
 
12
 · 2H
 
2
O
Essential elements:Ca, Cu, H, O, S
All elements listed in formula:Ca, Cu, H, O, S

Relationship of Vonbezingite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DD.05Felsőbányaite
Al
 
4
(SO
 
4
)(OH)
 
10
 · 4H
 
2
O
7.DD.10Langite
Cu
 
4
(SO
 
4
)(OH)
 
6
 · 2H
 
2
O
7.DD.10Posnjakite
Cu
 
4
(SO
 
4
)(OH)
 
6
 · H
 
2
O
7.DD.10Wroewolfeite
Cu
 
4
(SO
 
4
)(OH)
 
6
 · 2H
 
2
O
7.DD.15Spangolite
Cu
 
6
Al(SO
 
4
)(OH)
 
12
Cl · 3H
 
2
O
7.DD.20Ktenasite
Zn(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 6H
 
2
O
7.DD.25Christelite
Cu
 
2
Zn
 
3
(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
7.DD.30Campigliaite
Mn
2+
 
Cu
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
7.DD.30Devilline
CaCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DD.30Orthoserpierite
Ca(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DD.30Serpierite
Ca(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DD.30Niedermayrite
CdCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
7.DD.30Edwardsite
Cu
 
3
Cd
 
2
(SO
 
4
)
 
2
(OH)
 
6
·4H
 
2
O
7.DD.35Carrboydite
[(Ni
 
1-x
Al
 
x
)(OH)
 
2
][SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Glaucocerinite
(Zn
 
1-x
Al
 
x
)(OH)
 
2
(SO
 
4
)
 
x/2
 · nH
 
2
O
7.DD.35Honessite
(Ni
 
1-x
Fe
3+
x
)(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Hydrohonessite
(Ni
 
1-x
Fe
3+
x
)(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Motukoreaite
Mg
 
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
 · 6H
 
2
O
7.DD.35Mountkeithite
[(Mg
 
1-x
Fe
3+
x
)(OH)
 
2
][SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Shigaite
Mn
 
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
 · 6H
 
2
O
7.DD.35Wermlandite
Mg
 
7
Al
 
2
(OH)
 
18
[Ca(H
 
2
O)
 
6
][SO
 
4
]
 
2
 · 6H
 
2
O
7.DD.35Woodwardite
Cu
 
1-x
Al
 
x
(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Zincaluminite
Zn
 
6
Al
 
6
(SO
 
4
)
 
2
(OH)
 
16
 · 5H
 
2
O
7.DD.35Hydrowoodwardite
(Cu
 
1-x
Al
 
x
)(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Zincowoodwardite
Zn
 
1-x
Al
 
x
(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
7.DD.35Natroglaucocerinite
Na
 
x
Zn
 
8-y
Al
 
y
(SO
 
4
)
 
(x+y)/2
(OH)
 
16
 · 6H
 
2
O
7.DD.35Nikischerite
Fe
2+
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
 · 6H
 
2
O
7.DD.40Lawsonbauerite
(Mn
2+
 
,Mg)
 
9
Zn
 
4
(SO
 
4
)
 
2
(OH)
 
22
 · 8H
 
2
O
7.DD.40Torreyite
(Mg,Mn
2+
 
)
 
9
Zn
 
4
(SO
 
4
)
 
2
(OH)
 
22
 · 8H
 
2
O
7.DD.45Mooreite
(Mg,Zn,Mn
2+
 
)
 
15
(SO
 
4
)
 
2
(OH)
 
26
 · 8H
 
2
O
7.DD.50Namuwite
(Zn,Cu)
 
4
(SO
 
4
)(OH)
 
6
 · 4H
 
2
O
7.DD.55Bechererite
(Zn,Cu)
 
6
Zn
 
2
(SO
 
4
,HSiO
 
4
)
 
2
(OH)
 
12
7.DD.60Ramsbeckite
(Cu,Zn)
 
15
(SO
 
4
)
 
4
(OH)
 
22
 · 6H
 
2
O
7.DD.70Redgillite
Cu
 
6
(SO
 
4
)(OH)
 
10
 · H
 
2
O
7.DD.75Chalcoalumite
CuAl
 
4
(SO
 
4
)(OH)
 
12
 · 3H
 
2
O
7.DD.75Nickelalumite
(Ni,Cu)Al
 
4
(SO
 
4
,(NO
 
3
)
 
2
)(OH)
 
12
 · 3H
 
2
O
7.DD.75Kyrgyzstanite
ZnAl
 
4
(SO
 
4
)(OH)
 
12
·3H
 
2
O
7.DD.80Guarinoite
(Zn,Co,Ni)
 
6
(SO
 
4
)(OH,Cl)
 
10
 · 5H
 
2
O
7.DD.80Schulenbergite
(Cu,Zn)
 
7
(SO
 
4
,CO
 
3
)
 
2
(OH)
 
10
 · 3H
 
2
O
7.DD.80Thérèsemagnanite
(Co,Zn,Ni)
 
6
(SO
 
4
)(OH,Cl)
 
10
 · 8H
 
2
O
7.DD.80UM1992-30-SO:CCuHZn
(Zn,Cu)
 
7
(SO
 
4
,CO
 
3
)
 
2
(OH)
 
10
 · 3H
 
2
O
7.DD.85Montetrisaite
Cu
 
6
(SO
 
4
)(OH)
 
10
 · 2H
 
2
O

Other Names for Vonbezingite

Synonyms:
IMA1991-031
Other Languages:
German:Vonbezingit
Russian:Вонбезингит
Spanish:Vonbezingita

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 Vonbezingite

Reference List:

- +
Dai, Y. & Harlow, G. E. (1992): Description and crystal structure of vonbezingite, a new Ca-Cu-SO4-H2O mineral from the Kalahari manganese field, South Africa. American Mineralogist: 77: 1292-1300.

New Minerals (1997), New Minerals 1990-1994.

Internet Links for Vonbezingite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Vonbezingite details from Handbook of Mineralogy (PDF)
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    • Localities for Vonbezingite

    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.
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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.
    South Africa
     
    • Northern Cape Province
      • Kalahari manganese fields
        • Hotazel
    		Amer.Min.(1992) 77, 1292-1300 Cairncross, B. and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa. 251.
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