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Ianbruceite

This page kindly sponsored by Robert Lavinsky



Formula:
[Zn
 
2
(OH)(H
 
2
O)(AsO
 
4
)](H
 
2
O)
 
2
System:MonoclinicColour:sky blue to very pale ...
Hardness:1
This page provides mineralogical data about Ianbruceite.

Classification of Ianbruceite

IMA status:Approved 2011
Nickel-Strunz 10th (pending) edition ID:8.DA.50

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
A : With small (and occasionally larger) cations
Dana 8th edition ID:42.6.11.

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq·xH2O
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Type Occurrence of Ianbruceite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Physical Properties of Ianbruceite

Lustre:Vitreous
Colour:sky blue to very pale blue
Streak:white
Hardness (Mohs):1
Cleavage:Perfect
parallel to (100)
Density (calculated):3.197 g/cm3

Crystallography of Ianbruceite

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:P1 21/c 1
Cell Parameters:a = 11.793(2) Å, b = 9.1138(14) Å, c = 6.8265(10) Å
β = 103.859(9)°
Ratio:a:b:c = 1.294 : 1 : 0.749
Unit Cell Volume:V 712.35 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
11.28 (100)
3.755 (9)
3.186 (14)
3.120 (12)
2.947 (16)
2.845 (5)
2.819 (8)
2.682 (8)

Chemical Properties of Ianbruceite

Formula:
[Zn
 
2
(OH)(H
 
2
O)(AsO
 
4
)](H
 
2
O)
 
2
Essential elements:As, H, O, Zn
All elements listed in formula:As, H, O, Zn

Relationship of Ianbruceite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DA.05Bearsite
Be
 
2
(AsO
 
4
)(OH) · 4H
 
2
O
8.DA.05Moraesite
Be
 
2
(PO
 
4
)(OH) · 4H
 
2
O
8.DA.10Roscherite
Ca
 
2
Mn
2+
5
Be
 
4
(PO
 
4
)
 
6
(OH)
 
4
 · 6H
 
2
O
8.DA.10Zanazziite
Ca
 
2
Mg
 
5
Be
 
4
(PO
 
4
)
 
6
(OH)
 
4
 · 6H
 
2
O
8.DA.10Greifensteinite
Ca
 
2
Fe
2+
5
Be
 
4
(PO
 
4
)
 
6
(OH)
 
4
 · 6H
 
2
O
8.DA.10Atencioite
Ca
 
2
Fe
2+
3
Mg
 
2
Be
 
4
(PO
 
4
)
 
6
(OH)
 
4
 · 6H
 
2
O
8.DA.10Ruifrancoite
Ca
 
2
◻
 
2
(Fe
3+
 
,Mn
2+
 
,Mg)
 
4
Be
 
4
(PO
 
4
)
 
6
(OH)
 
4
(OH,H
 
2
O)
 
2
 · 4H
 
2
O
8.DA.10Guimarãesite
Ca
 
2
(Zn,Mg,Fe
2+
 
)
 
5
Be
 
4
(PO
 
4
)
 
6
(OH)
 
4
 · 6H
 
2
O
8.DA.10Footemineite
Ca
 
2
Mn
2+
 
Mn
2+
2
Mn
2+
2
Be
 
4
(PO
 
4
)
 
6
(OH)
 
4
 · 6H
 
2
O
8.DA.15Uralolite
Ca
 
2
Be
 
4
(PO
 
4
)
 
3
(OH)
 
3
 · 5H
 
2
O
8.DA.20Weinebeneite
CaBe
 
3
(PO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DA.25Tiptopite
K
 
2
(Na,Ca)
 
2
Li
 
3
Be
 
6
(PO
 
4
)
 
6
(OH)
 
2
 · H
 
2
O
8.DA.30Veszelyite
(Cu,Zn)
 
2
Zn(PO
 
4
)
 
2
 · 2H
 
2
O
8.DA.35Kipushite
(Cu,Zn)
 
5
Zn(PO
 
4
)
 
2
(OH)
 
6
 · H
 
2
O
8.DA.35Philipsburgite
(Cu,Zn)
 
6
(AsO
 
4
,PO
 
4
)
 
2
(OH)
 
6
 · H
 
2
O
8.DA.40Spencerite
Zn
 
4
(PO
 
4
)
 
2
(OH)
 
2
 · 3H
 
2
O
8.DA.45Glucine
CaBe
 
4
(PO
 
4
)
 
2
(OH)
 
4
 · 0.5H
 
2
O

Other Names for Ianbruceite

Synonyms:
IMA2011-049 Mineral GS17 (of Gebhard)
Other Languages:

Other Information

Fluorescence in UV light:none
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 Ianbruceite

Reference List:

- +
Gebhard, G. (1999) Tsumeb II. A Unique Mineral Locality. GG Publishing, Grossenseifen, Germany, 328 p. (as Mineral GS17)

Cooper, M.A., Abdu, Y., Ball, N., Back, M., Hawthorne, F.C. and Tait, K. (2011): Ianbruceite, IMA 2011-049. CNMNC Newsletter No. 10, October 2011, page 2560.

Cooper, M.A., Abdu, Y.A., Ball, N.A., Hawthorne, F.C., Back, M.E., Tait, K.T., Schlüter, J., Malcherek, T., Pohl, D., Gebhard, G. (2012): Ianbruceite, ideally (H2O)2, a new arsenate mineral from the Tsumeb mine, Otjikoto (Oshikoto) region, Namibia: description and crystal structure. Mineralogical Magazine, 76, 1119-1131.

Internet Links for Ianbruceite

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  • Raman and XRD data at RRUFF project
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    • Localities for Ianbruceite

    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.
    Namibia
     
    • Otjikoto Region (Oshikoto)
      • Tsumeb
    		Cooper, M.A., Abdu, Y., Ball, N., Back, M., Hawthorne, F.C. and Tait, K. (2011): Ianbruceite, IMA 2011-049. CNMNC Newsletter No. 10, October 2011, page 2560; Cooper, M.A., Abdu, Y.A., Ball, N.A., Hawthorne, F.C., Back, M.E., Tait, K.T., Schlüter, J., Malcherek, T., Pohl, D., Gebhard, G. (2012): Ianbruceite, ideally (H2O)2, a new arsenate mineral from the Tsumeb mine, Otjikoto (Oshikoto) region, Namibia: description and crystal structure. Mineralogical Magazine, 76, 1119-1131.
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