Mineralogy Database

Hydroxylwagnerite Mineral Data

Search Webmineral :

General Hydroxylwagnerite Information

Help on Chemical  Formula: Chemical Formula: Mg2(PO4)(OH)
Help on Composition: Composition: Molecular Weight = 160.59 gm
   Magnesium   30.27 %  Mg   50.20 % MgO
   Phosphorus  19.29 %  P    44.20 % P2O5
   Hydrogen     0.63 %  H     5.61 % H2O
   Oxygen      49.81 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg2(PO4)(OH)
Help on Environment: Environment: Triplite-triploidite group.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Dora-Maira massif, Vallone di Gilba, Val Varaita, Piemonte, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the OH analog of wagnerite.
Help on Name Pronunciation: Name Pronunciation: Hydroxylwagnerite + Pronunciation Say HYDROXYLWAGNERITE
Help on Synonym: Synonym: ICSD 40829
  PDF 47-957

Hydroxylwagnerite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image


Comments: Small cavity in white quartzite with several tan-colored hydroxylwagnerite crystals with red arrow pointing to the cavity.
Location: Dora Maira Massif, Val Varaita, Piedmont, Italy. Scale: Picture size 3 mm.
© John Betts - Fine Minerals

Hydroxylwagnerite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7509:1:0.9385
Help on Cell Dimensions: Cell Dimensions: a = 9.656, b = 12.859, c = 12.069, Z = 16; beta = 108.49° V = 1,421.21 Den(Calc)= 3.00
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.984(1), 2.851(0.8), 3.117(0.66),3.292(0.5), 2.752(0.28), 2.71(0.19), 2.484(0.14),

Physical Properties of Hydroxylwagnerite

Help on Color: Color: Tan.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Hydroxylwagnerite

Help on Optical Data: Optical Data: NCalc= 1.6 - from Gladstone-Dale relationship (KC = 0.2003) where Ncalc=Dcalc*KC+1

Calculated Properties of Hydroxylwagnerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.99 gm/cc
note: Specific Gravity of Hydroxylwagnerite =3.00 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEHydroxylwagnerite = 1.60 barns/electron
U=PEHydroxylwagnerite x rElectron Density= 4.79 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydroxylwagnerite is Not Radioactive

Hydroxylwagnerite Classification

Help on  Dana Class: Dana Class: (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.06)where (A)2 (XO4) Zq
  (41.06.02)Wagnerite Group Wagnerite (Mg,Fe)2(PO4)F P 21/a 2/m Hydroxylwagnerite! Mg2(PO4)(OH) P 21/c 2/m
Help on  Strunz Class: Strunz Class: 08.BB.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BB -With only medium-sized cations, (OH, etc.):RO4 � 1:1
08.BB.10 Magniotriplite? (Mg,Fe,Mn)2(PO4)F P 21/a 2/m
08.BB.10 Hydroxylwagnerite! Mg2(PO4)(OH) P 21/c 2/m
08.BB.10 Triplite (Mn,Fe,Mg,Ca)2(PO4)(F,OH) I2/m 2/m
08.BB.10 Zwieselite (Fe,Mn)2(PO4)F I2/a 2/m

Other Hydroxylwagnerite Information

Help on References: References: PHYS. PROP.(Zeitschrift fUr Kristallographie 177, 15-26)
Help on See Also: See Also: Links to other databases for Hydroxylwagnerite :
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 Hydroxylwagnerite using:

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

Visit our Advertisers for Hydroxylwagnerite :

Ask about Hydroxylwagnerite 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 Espa�ol

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


Dana No: Strunz No: 08.BB.10





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.