Silinaite Mineral Data (original) (raw)

General Silinaite Information

Help on Chemical Formula: Chemical Formula:

NaLiSi2O5•2(H2O)

Help on Composition: Composition:

Molecular Weight = 202.13 gm

Sodium 11.37 % Na 15.33 % Na2O

Lithium 3.43 % Li 7.39 % Li2O

Silicon 27.79 % Si 59.45 % SiO2

Hydrogen 1.99 % H 17.83 % H2O

Oxygen 55.41 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

NaLiSi2O5•2(H2O)

Help on Environment: Environment:

In sodalite syenite xenoliths in nepheline syenite in an intrusive alkalic gabbro-syenite complex.

Help on IMA Status: IMA Status:

Approved IMA 1991

Help on Locality: Locality:

Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

For SIlicon, LIthium, and sodium, NAtrium, in the composition.

Help on Name Pronunciation: Name Pronunciation:

Silinaite + Pronunciation Say SILINAITE

Help on Synonym: Synonym:

ICSD 63718

IMA1990-028

PDF 44-1410

Search for Silinaite Images

Click Here To Search Images:

Silinaite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.6072:1:1.7258

Help on Cell Dimensions: Cell Dimensions:

a = 5.061, b = 8.334, c = 14.383, Z = 4; beta = 96.6° V = 602.63 Den(Calc)= 2.23

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: A2/n

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.847(1), 4.14(1), 7.14(1),

Click Here for Large Silinaite 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

| | Grice J D , The Canadian Mineralogist , 29 (1991) p.363-367, The crystal structure of silinaite, NaLiSi2O6.2H20: a monophyllosilicate, Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Silinaite

Help on Cleavage: Cleavage:

{001} Perfect, {010} Good, {110} Good

Help on Color: Color:

Colorless, White.

Help on Density: Density:

2.24

Help on Diaphaneity: Diaphaneity:

Translucent to Opaque

Help on Hardness: Hardness:

4.5 - Between Fluorite and Apatite

Help on Luster: Luster:

Vitreous - Dull

Help on Streak: Streak:

white

Optical Properties of Silinaite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.024 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.019 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2315,KPDmeas= 0.2305,KC= 0.2361
Ncalc = 1.53

Help on Optical Data: Optical Data:

Biaxial (+), a=1.515, b=1.516, g=1.518, bire=0.0030, 2V(Calc)=72, 2V(Meas)=64-71.

Calculated Properties of Silinaite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.25 gm/cc
note: Specific Gravity of Silinaite =2.23 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PESilinaite = 1.31 barns/electron
U=PESilinaite x rElectron Density= 2.96 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Silinaite is Not Radioactive

Silinaite Classification

Help on Dana Class: Dana Class:

74.03.05.03 (74)Phyllosilicate Modulated Layers

(74.03)with joined strips

(74.03.05)Na phyllosilicates

74.03.05.01 Natrosilite Na2Si2O5 P 21/a 2/m

74.03.05.02 Makatite Na2Si4O8(OH)2•4(H2O) P 21/c 2/m

74.03.05.03 Silinaite NaLiSi2O5•2(H2O) A2/n 2/m

74.03.05.04 Searlesite NaBSi2O5(OH)2 P 21 2

Help on Strunz Class: Strunz Class:

09.EF.20 09 - SILICATES (Germanates)

09.E - Phyllosilicates

09.EF -Single nets with 6-membered rings, � other rings

09.EF.20 Silinaite NaLiSi2O5•2(H2O) A2/n 2/m

Other Silinaite Information

Help on References: References:

NAME( AntBidBlaNic2) PHYS. PROP.(Am.Min.,Vol.76,p2023,1991) OPTIC PROP.(Am.Min.,Vol.76,p2023,1991)

Help on See Also: See Also:

Links to other databases for Silinaite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

Search for Silinaite using:

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

Visit our Advertisers for Silinaite :

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

Ask about Silinaite 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 Silinaite Specimen Label here :

Silinaite

NaLiSi2O5•2(H2O)
Dana No: 74.03.05.03 Strunz No: 09.EF.20
Locality:

Notes: