Mineralogy Database

Waterhouseite Mineral Data

Search Webmineral :

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

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),

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)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.02)where (A B)7 (XO4)2 Zq
  (41.02.01)Allactite Group Allactite Mn7(AsO4)2(OH)8 P 21/a 2/m Raadeite! Mg7(PO4)2(OH)8 P 21/n 2/m 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

Search for Waterhouseite using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Waterhouseite :

Dakota Matrix Google Search for Waterhouseite
Excalibur Minerals Google Search for Waterhouseite
Exceptional Minerals Google Search for Waterhouseite
Hudson Insitute Google Search for Waterhouseite
John Betts Fine Minerals Search for Waterhouseite
Mc Dougall Minerals Google Search for Waterhouseite
Mineral News Website Link
Rock and Mineral Shows Website Link
Weinrich Minerals, Inc. Google Search for Waterhouseite

Ask about Waterhouseite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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


Dana No: Strunz No: 08.BE.85