Kvanefjeldite Mineral Data

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


General Kvanefjeldite Information

Help on Chemical Formula: Chemical Formula: Na4(Ca,Mn)Si6O14(OH)2
Help on Composition: Composition: Molecular Weight = 562.27 gm
   Sodium     16.35 %  Na   22.05 % Na2O
   Calcium     5.35 %  Ca    7.48 % CaO
   Manganese   2.44 %  Mn    3.15 % MnO
   Silicon    29.97 %  Si   64.12 % SiO2
   Hydrogen    0.36 %  H     3.20 % H2O
   Oxygen     45.53 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na4Ca0.75Mn2+0.25Si6O14(OH)2
Help on Environment: Environment: As patches, streaks, and veinlets cutting arfvedsonite-bearing nepheline syenite; probably of late-stage hydrothermal origin.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: On the Kvanefjeld Plateau, in the Ilimaussaq intrusion, southern Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality, which is Danish for the mountain where the angelica grows.
Help on Name Pronunciation: Name Pronunciation: Kvanefjeldite + Pronunciation Say KVANEFJELDITE
Help on Synonym: Synonym: ICSD 31260
  PDF 37-4330
 

Search for Kvanefjeldite Images

Click Here To Search Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.
  

Kvanefjeldite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6432:1:0.5704
Help on Cell Dimensions: Cell Dimensions: a = 10.213, b = 15.878, c = 9.058, Z = 4; V = 1,468.86 Den(Calc)= 2.54
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pcab
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.12(1), 3.88(0.7), 4.36(0.7),
Click Here for Large Kvanefjeldite 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


Johnsen O , Leonardsen E S , Falth L , Annehed H , Neues Jahrbuch fur Mineralogie, Monatshefte , 1983 (1983) p.505-512, Crystal structure of kvanefjeldite: The introduction of [Si3O7OH], layers with eight-membered rings, Locality: Ilimaussaq alkaline intrusion, South Greenland

 

Physical Properties of Kvanefjeldite

Help on Cleavage: Cleavage: {010} Good, {101} Indistinct
Help on Color: Color: Violet pink.
Help on Density: Density: 2.55
Help on Hardness: Hardness: 5.5-6 - Knife Blade-Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Kvanefjeldite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2083,KPDmeas= 0.2075,KC= 0.2081
Ncalc = 1.53
Help on Optical Data: Optical Data: Biaxial (+), a=1.522, b=1.522, g=1.543, bire=0.0210, 2V(Calc)=0, 2V(Meas)=0-9.
 

Calculated Properties of Kvanefjeldite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.52 gm/cc
note: Specific Gravity of Kvanefjeldite =2.54 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEKvanefjeldite = 2.68 barns/electron
U=PEKvanefjeldite x rElectron Density= 6.77 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kvanefjeldite is Not Radioactive
 

Kvanefjeldite Classification
Help on Dana Class: Dana Class: 72.05.03.01 (72)Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
  (72.05)with corrugated and complex layers
  (72.05.03)Dana Group
 
72.05.03.01 Kvanefjeldite Na4(Ca,Mn)Si6O14(OH)2 Pcab 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 09.DP.30 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DP -Transitional ino-phyllosilicate structures
 
09.DP.30 Kvanefjeldite Na4(Ca,Mn)Si6O14(OH)2 Pcab 2/m 2/m 2/m
 

Other Kvanefjeldite 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 Kvanefjeldite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Kvanefjeldite using:

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

Visit our Advertisers for Kvanefjeldite :

A Bijoux Google Search for Kvanefjeldite
Adam's Minerals Google Search for Kvanefjeldite
Cape Minerals Google Search for Kvanefjeldite
Dakota Matrix Minerals Google Search for Kvanefjeldite
Excalibur Mineral Corp. Google Search for Kvanefjeldite
Exceptional Minerals Google Search for Kvanefjeldite
John Betts Fine Minerals Search for Kvanefjeldite
McDougall Minerals Google Search for Kvanefjeldite
Mineral News Website Link
Rock and Mineral Shows Google Search for Kvanefjeldite
Weinrich Minerals, Inc. Google Search for Kvanefjeldite

Ask about Kvanefjeldite 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 Kvanefjeldite Specimen Label here :

Kvanefjeldite

Na4(Ca,Mn)Si6O14(OH)2
Dana No: 72.05.03.01 Strunz No: 09.DP.30
Locality:

 

Notes: