Villiaumite Mineral Data

Villiaumite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


Dan Weinrich Auctions
[Mineral Auctions] [Register] [Current Auctions] [Log In] [www.danweinrich.com]
Dan Weinrich Auctions
Specializing In Live Weekly Auctions Of Top Quality Mineral Specimens
The Place To Find Great Specimens At Great Prices!


Couldn't connect to server

General Villiaumite Information

Help on Chemical Formula: Chemical Formula: NaF
Help on Composition: Composition: Molecular Weight = 41.99 gm
   Sodium    54.75 %  Na   73.81 % Na2O
   Fluorine  45.25 %  F    45.25 % F
               -   %   F   -19.05 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaF
Help on Environment: Environment: In nepheline-syenite composition rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1908
Help on Locality: Locality: Islands of Los, French Guina. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French traveller, Villium.
Help on Name Pronunciation: Name Pronunciation: Villiaumite + Pronunciation Say VILLIAUMITE
Help on Synonym: Synonym: ICSD 24443
  PDF 36-1455
  Sodium Fluoride
 

Villiaumite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 4.631, Z = 4; V = 99.32 Den(Calc)= 2.81
Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.319(1), 1.639(0.6), 1.338(0.17),
Click Here for Large Villiaumite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Deshpande V T , Acta Crystallographica , 14 (1961) p.794-794, Thermal expansion of sodium fluoride and sodium bromide, Note: T = 29.6 C, rocksalt structure

View Additional jPOWD Structure files for Villiaumite
[1] [2] [3] [4] [5] [6] [7]
 

Physical Properties of Villiaumite

Help on Cleavage: Cleavage: {100} Perfect, {010} Perfect, {001} Perfect
Help on Color: Color: Colorless, Dark red, Orange brown, Pink.
Help on Density: Density: 2.79 - 2.8, Average = 2.79
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Fluorescent, Short UV=red.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: pinkish white
 

Optical Properties of Villiaumite

Help on Optical Data: Optical Data: Isotropic, n=1.33.
 

Calculated Properties of Villiaumite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.68 gm/cc
note: Specific Gravity of Villiaumite =2.81 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0
Boson Index = 1
Help on Photoelectric: Photoelectric: PEVilliaumite = 1.08 barns/electron
U=PEVilliaumite x rElectron Density= 2.89 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Villiaumite is Not Radioactive
 

Villiaumite Classification
Help on Dana Class: Dana Class: 09.01.01.03 (09)Anhydrous and Hydrated Halides
  (09.01)where A X
  (09.01.01)Halite Group
 
09.01.01.01 Halite NaCl F m3m 4/m 3 2/m
 
09.01.01.02 Sylvite KCl F m3m 4/m 3 2/m
 
09.01.01.03 Villiaumite NaF F m3m 4/m 3 2/m
 
09.01.01.04 Carobbiite KF F m3m 4/m 3 2/m
 
09.01.01.05 Griceite LiF F m3m 4/m 3 2/m
Help on Strunz Class: Strunz Class: 03.AA.20 03 - HALIDES
  03.A - Simple Halides, Without H2O
  03.AA -M:X = 1:1, 2:3, 3:5, etc.
 
03.AA.20 Carobbiite KF F m3m 4/m 3 2/m
 
03.AA.20 Griceite LiF F m3m 4/m 3 2/m
 
03.AA.20 Halite NaCl F m3m 4/m 3 2/m
 
03.AA.20 Sylvite KCl F m3m 4/m 3 2/m
 
03.AA.20 Villiaumite NaF F m3m 4/m 3 2/m
 

Other Villiaumite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990;www.saint-hilaire.ca) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Villiaumite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - CalTech Mineral Spectroscopy
7 - EUROmin Project
8 - Ecole des Mines de Paris
9 - Google Images
10 - Google Scholar
11 - Handbook of Mineralogy (MinSocAm)
12 - Handbook of Mineralogy (UofA)
13 - MinDAT
14 - MinMax(Deutsch)
15 - MinMax(English)
16 - Mineralienatlas (Deutsch)
17 - QUT Mineral Atlas
18 - Ruff.Info
19 - WWW-MINCRYST

Search for Villiaumite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Villiaumite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Diamond Dan Publications

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Villiaumite Mineral Data :

Ask about Villiaumite 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 Villiaumite Specimen Label here :

Villiaumite

NaF
Dana No: 09.01.01.03 Strunz No: 03.AA.20
Locality:

 

Notes: