Intersilite Mineral Data

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


General Intersilite Information

Help on Chemical Formula: Chemical Formula: Na6Mn++Ti[Si10O24(OH)](OH)3•4(H2O)
Help on Composition: Composition: Molecular Weight = 1,045.69 gm
   Sodium     13.19 %  Na   17.78 % Na2O
   Titanium    4.58 %  Ti    7.64 % TiO2
   Manganese   5.25 %  Mn    6.78 % MnO
   Silicon    26.86 %  Si   57.46 % SiO2
   Hydrogen    1.16 %  H    10.34 % H2O
   Oxygen     48.96 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na6Mn2+TiSi10O24(OH)4•4(H2O)
Help on Environment: Environment: In hyperagpaitic pegmatites.
Help on IMA Status: IMA Status: Approved IMA 1994 (Dana # Added)
Help on Locality: Locality: Mount Alluaiv in the northwestern part of the Lovozero alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in allusion to it's intermediate position between the layered and banded silicates.
Help on Name Pronunciation: Name Pronunciation: Intersilite + Pronunciation Say INTERSILITE
Help on Synonym: Synonym: IMA1995-033
 

Search for Intersilite 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.
  

Intersilite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6963:1:0.6552
Help on Cell Dimensions: Cell Dimensions: a = 13.033, b = 18.717, c = 12.264, Z = 4; beta = 99.62° V = 2,949.59 Den(Calc)= 2.35
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: I2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.56(1), 3.196(0.8), 6.38(0.5),
Click Here for Large Intersilite 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


Yamnova N A , Egorov-Tismenko Y K , Khomyakov A P , Crystallography Reports , 41 (1996) p.239-244, Crystal structure of a new natural (Na,Mn,Ti)-phyllosilicate, Locality: Aluaiv, Lovozero alkaline massif, Kola peninsula, Russia

 

Physical Properties of Intersilite

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: Yellow, Pinkish yellow, Pink.
Help on Density: Density: 2.42
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Intersilite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.029 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2318,KPDmeas= 0.2251,KC= 0.2318
Ncalc = 1.54 - 1.56
Help on Optical Data: Optical Data: Biaxial (-), a=1.536, b=1.545, g=1.553, bire=0.0170, 2V(Calc)=86, 2V(Meas)=87. Dispersion r < v strong.
 

Calculated Properties of Intersilite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.34 gm/cc
note: Specific Gravity of Intersilite =2.35 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEIntersilite = 3.31 barns/electron
U=PEIntersilite x rElectron Density= 7.74 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Intersilite is Not Radioactive
 

Intersilite Classification
Help on Dana Class: Dana Class: 74.03.08.01 (74)Phyllosilicate Modulated Layers
  (74.03)with joined strips
  (74.03.08)Dana Group
 
74.03.08.01 Intersilite! Na6MnTi[Si10O24(OH)](OH)3•4(H2O) I2/m 2/m
Help on Strunz Class: Strunz Class: 09.EE.60 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.EE -Single tetrahedral nets of 6-membered rings
 
09.EE.60 Intersilite! Na6MnTi[Si10O24(OH)](OH)3•4(H2O) I2/m 2/m
 

Other Intersilite Information
Help on References: References: NAME( MinRec, Vol 28, No. 3) PHYS. PROP.(Eur. J. Min.,Vol.8,1996) OPTIC PROP.(MinRec, Vol 28, No. 3)
Help on See Also: See Also: Links to other databases for Intersilite :
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 Intersilite using:

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

Visit our Advertisers for Intersilite :

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

Ask about Intersilite 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 Intersilite Specimen Label here :

Intersilite

Na6Mn++Ti[Si10O24(OH)](OH)3•4(H2O)
Dana No: 74.03.08.01 Strunz No: 09.EE.60
Locality:

 

Notes: