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Ianbruceite

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Formula:
[Zn2(OH)(H2O)(AsO4)](H2O)2
System:
Monoclinic
Colour:
Sky blue to very pale ...
Hardness:
1
This page provides mineralogical data about Ianbruceite.

Classification of Ianbruceite

Approved 2011
8.DA.50

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

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq·xH2O
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http://www.mindat.org/min-42231.html
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Type Occurrence of Ianbruceite

Physical Properties of Ianbruceite

Vitreous
Colour:
Sky blue to very pale blue, white, colourless
Streak:
white
Hardness (Mohs):
1
Cleavage:
Perfect
parallel to (100)
Density:
3.197 g/cm3 (Calculated)

Crystallography of Ianbruceite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
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 Data:
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:
[Zn2(OH)(H2O)(AsO4)](H2O)2
Essential elements:
All elements listed in formula:

Relationship of Ianbruceite to other Species

8.DA.05BearsiteBe2(AsO4)(OH) · 4H2O
8.DA.05MoraesiteBe2(PO4)(OH) · 4H2O
8.DA.10RoscheriteCa2Mn52+Be4(PO4)6(OH)4 · 6H2O
8.DA.10ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2O
8.DA.10GreifensteiniteCa2Fe52+Be4(PO4)6(OH)4 · 6H2O
8.DA.10AtencioiteCa2Fe32+Mg2Be4(PO4)6(OH)4 · 6H2O
8.DA.10RuifrancoiteCa22(Fe3+,Mn2+,Mg)4Be4(PO4)6(OH)4(OH,H2O)2 · 4H2O
8.DA.10GuimarãesiteCa2(Zn,Mg,Fe2+)5Be4(PO4)6(OH)4 · 6H2O
8.DA.10FootemineiteCa2Mn2+Mn22+Mn22+Be4(PO4)6(OH)4 · 6H2O
8.DA.15UraloliteCa2Be4(PO4)3(OH)3 · 5H2O
8.DA.20WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2O
8.DA.25TiptopiteK2(Na,Ca)2Li3Be6(PO4)6(OH)2 · H2O
8.DA.30Veszelyite(Cu,Zn)2Zn(PO4)2 · 2H2O
8.DA.35Kipushite(Cu,Zn)5Zn(PO4)2(OH)6 · H2O
8.DA.35Philipsburgite(Cu,Zn)6(AsO4,PO4)2(OH)6 · H2O
8.DA.40SpenceriteZn4(PO4)2(OH)2 · 3H2O
8.DA.45GlucineCaBe4(PO4)2(OH)4 · 0.5H2O

Other Names for Ianbruceite

Name in Other Languages:

Other Information

Health Risks:
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.

Neall, T., Leppington, C. M., Green, D., Rumsey, M. S. (2013): The First British Occurrences of Ianbruceite from the Caldbeck Fells, Cumbria. UK Journal of Mines & Minerals 34, 8-12. [see also http://en.wikipedia.org/wiki/Ianbruceite]

Internet Links for Ianbruceite

Localities for Ianbruceite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
 
  • 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.
UK
 
  • England
    • Cumbria
      • Caldbeck Fells
Neall, T., Leppington, C. M., Green, D., Rumsey, M. S. (2013): The First British Occurrences of Ianbruceite from the Caldbeck Fells, Cumbria. UK Journal of Mines & Minerals 34, 8-12.
Neall, T., Leppington, C. M., Green, D., Rumsey, M. S. (2013): The First British Occurrences of Ianbruceite from the Caldbeck Fells, Cumbria. UK Journal of Mines & Minerals 34, 8-12.
Mineral and/or Locality  
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