Lisetite Mineral Data

Lisetite Mineral Data
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General Lisetite Information

Help on Chemical Formula: Chemical Formula: Na2CaAl4Si4O16
Help on Composition: Composition: Molecular Weight = 562.32 gm
   Sodium     8.18 %  Na   11.02 % Na2O
   Calcium    7.13 %  Ca    9.97 % CaO
   Aluminum  19.19 %  Al   36.26 % Al2O3
   Silicon   19.98 %  Si   42.74 % SiO2
   Oxygen    45.52 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2CaAl4Si4O16
Help on Environment: Environment: Found in a retrograde metamorphic environment.
Help on IMA Status: IMA Status: Approved IMA 1986
Help on Locality: Locality: Liset eclogite pod, Selje district, Western Gneiss region, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Lisetite Say LISETITE
Help on Synonym: Synonym: ICSD 20212
  PDF 39-386
 

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Lisetite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.4834:1:0.565
Help on Cell Dimensions: Cell Dimensions: a = 8.26, b = 17.086, c = 9.654, Z = 4; V = 1,362.47 Den(Calc)= 2.74
Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Pbc2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.198(1), 4.162(0.44), 3.468(0.36),
Click Here for Large Lisetite Structure Window Crystal Structure:

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Rossi G , Oberti R , Smith D C , American Mineralogist , 71 (1986) p.1378-1383, Crystal structure of lisetite, CaNa2Al4Si4O16

 

Physical Properties of Lisetite

Help on Color: Color: Colorless.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Lisetite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2062,KC= 0.2059
Ncalc = 1.56
Help on Optical Data: Optical Data: Biaxial (?), a=1.56, g=1.57, bire=0.0100
 

Calculated Properties of Lisetite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.71 gm/cc
note: Specific Gravity of Lisetite =2.74 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0096446681
Boson Index = 0.9903553319
Help on Photoelectric: Photoelectric: PELisetite = 2.34 barns/electron
U=PELisetite x rElectron Density= 6.33 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lisetite is Not Radioactive
 

Lisetite Classification
Help on Dana Class: Dana Class: 76.01.06.03 (76)Tectosilicate Al-Si Framework
  (76.01)with Al-Si frameworks
  (76.01.06)Banalsite group
 
76.01.06.01 Banalsite BaNa2Al4Si4O16 Iba2 mm2
 
76.01.06.02 Stronalsite SrNa2Al4Si4O16 Iba2 mm2
 
76.01.06.03 Lisetite Na2CaAl4Si4O16 Pbc2 mm2
 
76.01.06.04 Svyatoslavite CaAl2Si2O8 P 21 2
Help on Strunz Class: Strunz Class: 09.FA.55 09 - SILICATES (Germanates)
  09.F - Tektosilicates without Zeolitic H2O
  09.FA -Tektosilicates without additional non-tetrahedral anions, (Al,B):Si = 1:1
 
09.FA.55 Lisetite Na2CaAl4Si4O16 Pbc2 mm2
 

Other Lisetite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.71,p1372-1377,1986) OPTIC PROP.(Am.Min.,Vol.71,p1372-1377,1986)
Help on See Also: See Also: Links to other databases for Lisetite :
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

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Print or Cut-and-Paste your Lisetite Specimen Label here :

Lisetite

Na2CaAl4Si4O16
Dana No: 76.01.06.03 Strunz No: 09.FA.55
Locality:

 

Notes: