Waterhouseite Mineral Data

Waterhouseite Mineral Data
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General Waterhouseite Information

Help on Chemical Formula: Chemical Formula: Mn7(PO4)2(OH)8
Help on Composition: Composition: Molecular Weight = 727.16 gm
   Manganese   55.00 %  Mn   71.02 % MnO
   Vanadium     0.28 %  V     0.50 % V2O5
   Arsenic      0.72 %  As    1.11 % As2O5
   Phosphorus   7.71 %  P    17.67 % P2O5
   Hydrogen     1.08 %  H     9.67 % H2O
   Oxygen      35.20 %  O
              ______        ______ 
              100.00 %       99.97 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+7.28P1.81As0.07V5+0.041.92(O4)(OH)7.81O0.51
Help on Environment: Environment: Occurs in cavities in a matrix consisting of hematite, hausmannite, barite, manganoan calcite and rhodochrosite from the 130-meter level on the eastern side of the Iron Monarch mine , a Proterozoic sedimentary iron ore d
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Iron Monarch quarry, Iron Knob, South Australia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Frederick George Waterhouse (1815-1898), first Director of the South Australian Museum (Adelaide) and celebrates the continuing work of the Waterhouse Club,
Help on Synonym: Synonym: IMA2004-035
 

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Waterhouseite Crystallography
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.621(1), 4.436(0.7), 3.069(0.5),2.941(0.4), 2.78(0.35), 2.718(0.2), 2.842(0.2), 2.89(0.2),
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Pring A , Kolitsch U , Birch W D , The Canadian Mineralogist , 43 (2005) p.1401-1410, Description and unique crystal-structure of waterhouseite,, a new hydroxy manganese phosphate species from the Iron Monarch deposit,, Middleback Ranges, South Australia, Locality: Iron Monarch mine, Iron Knob, South Australia

 

Physical Properties of Waterhouseite

Help on Color: Color: Resinous orange brown, Dark clove brown.
 

Optical Properties of Waterhouseite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.007 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.04 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2004,KPDmeas= 0.2071,KC= 0.2086
Ncalc = 1.74 - 1.77
 

Calculated Properties of Waterhouseite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.40 gm/cc
note: Specific Gravity of Waterhouseite =3.55 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001776102
Boson Index = 0.9998223898
Help on Photoelectric: Photoelectric: PEWaterhouseite = 15.12 barns/electron
U=PEWaterhouseite x rElectron Density= 51.41 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Waterhouseite is Not Radioactive
 

Waterhouseite Classification
Help on Dana Class: Dana Class: 41.02.01.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.02)where (A B)7 (XO4)2 Zq
  (41.02.01)Allactite Group
 
41.02.01.01 Allactite Mn7(AsO4)2(OH)8 P 21/a 2/m
 
41.02.01.02 Raadeite! Mg7(PO4)2(OH)8 P 21/n 2/m
 
41.02.01.03 Waterhouseite! Mn7(PO4)2(OH)8 P 21/c 2/m
Help on Strunz Class: Strunz Class: 08.BE.85 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BE -With only medium-sized cations, (OH, etc.):RO4 > 2:1
 
08.BE.85 Waterhouseite! Mn7(PO4)2(OH)8 P 21/c 2/m
 

Other Waterhouseite Information
Help on See Also: See Also: Links to other databases for Waterhouseite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Waterhouseite Specimen Label here :

Waterhouseite

Mn7(PO4)2(OH)8
Dana No: 41.02.01.03 Strunz No: 08.BE.85
Locality:

 

Notes: