Mineralogy Database

Hilairite Mineral Data

Search Webmineral :
  
Advertisment

General Hilairite Information

Help on Chemical  Formula: Chemical Formula: Na2ZrSi3O9•3(H2O)
Help on Composition: Composition: Molecular Weight = 419.50 gm
   Sodium     10.96 %  Na   14.77 % Na2O
   Zirconium  21.75 %  Zr   29.37 % ZrO2
   Silicon    20.08 %  Si   42.97 % SiO2
   Hydrogen    1.44 %  H    12.88 % H2O
   Oxygen     45.77 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2ZrSi3O9•3(H2O)
Help on Environment: Environment: In miarolitic cavities and altered pegmatite dikes in nepheline syenite in an intrusive alkalic gabbro-syenite complex
Help on IMA Status: IMA Status: Approved IMA 1974
Help on Locality: Locality: Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Hilairite + Pronunciation Say HILAIRITE
Help on Synonym: Synonym: IMA1972-019
 

Hilairite Image

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

  Hilairite

Comments: Brown-yellow hilairite grains with white, prismatic natrolite crystals.
Location: Malerod, Larvik, Norway. Scale: See Box (2 x 2 cm).
© Sonke Stolze / Systematic Minerals

Hilairite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.50161
Help on Cell Dimensions: Cell Dimensions: a = 10.556, c = 15.851, Z = 6; V = 1,529.63 Den(Calc)= 2.73
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.28(1), 6(0.6), 3.17(0.5),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 0) ( 0 1 1)

Warning: this java applet does not work in some browsers because of security restrictions.

 

Physical Properties of Hilairite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light brown.
Help on Density: Density: 2.72
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Hilairite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.011 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2207,KPDmeas= 0.2215,KC= 0.2232
Ncalc = 1.61
Help on Optical Data: Optical Data: Uniaxial (-), e=1.596, w=1.609, bire=0.0130.
 

Calculated Properties of Hilairite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.67 gm/cc
note: Specific Gravity of Hilairite =2.72 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEHilairite = 29.45 barns/electron
U=PEHilairite x rElectron Density= 78.68 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hilairite is Not Radioactive
 

Hilairite Classification

Help on  Dana Class: Dana Class: 59.02.03.01 (59)Cyclosilicate Three-Membered Rings
  (59.02)hydrated
  (59.02.03)Hilairite group
 
59.02.03.01 Hilairite Na2ZrSi3O9•3(H2O) R 3m 3 2/m
 
59.02.03.02 Calciohilairite CaZrSi3O9•3(H2O) R 32 3 2
 
59.02.03.03 Sazykinaite-(Y) Na5YZrSi6018•6(H2O) R 32 3 2
 
59.02.03.04 Pyatenkoite-(Y)! Na5(Y,Dy,Gd)TiSi6O18•6(H2O) R 32 3 2
Help on  Strunz Class: Strunz Class: 09.DM.10 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DM -Inosilicates with 6-periodic single chains
 
09.DM.10 Calciohilairite CaZrSi3O9•3(H2O) R 32 3 2
 
09.DM.10 Hilairite Na2ZrSi3O9•3(H2O) R 3m 3 2/m
 
09.DM.10 Komkovite BaZrSi3O9•3(H2O) R 32 3 2
 
09.DM.10 Pyatenkoite-(Y)! Na5(Y,Dy,Gd)TiSi6O18•6(H2O) R 32 3 2
 
09.DM.10 Sazykinaite-(Y) Na5YZrSi6018•6(H2O) R 32 3 2
 

Other Hilairite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Hilairite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - GeoScienceWorld
9 - Google Images
10 - Google Scholar
11 - Handbook of Mineralogy (MinSocAm)
12 - Handbook of Mineralogy (UofA)
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST

Search for Hilairite using:

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

Visit our Advertisers for Hilairite :

Ask about Hilairite 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 Hilairite Specimen Label here :

Hilairite

Na2ZrSi3O9•3(H2O)
Dana No: 59.02.03.01 Strunz No: 09.DM.10
Locality:

 

Notes:

 

 
   
 


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