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Lisetite Mineral Data
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General Lisetite Information
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 Chemical Formula: |
Na2CaAl4Si4O16 |
| Composition: |
Molecular Weight = 562.32 gm |
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Sodium 8.18 % Na 11.02 % Na2O |
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Calcium 7.13 % Ca 9.97 % CaO |
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Aluminum 19.19 % Al 36.26 % Al2O3 |
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Silicon 19.98 % Si 42.74 % SiO2 |
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Oxygen 45.52 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na2CaAl4Si4O16 |
| Environment: |
Found in a retrograde metamorphic environment. |
| IMA Status: |
Approved IMA 1986 |
| Locality: |
Liset eclogite pod, Selje district, Western Gneiss region, Norway. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Lisetite  |
| Synonym: |
ICSD 20212 |
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PDF 39-386 |
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Lisetite Crystallography
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| Axial Ratios: |
a:b:c =0.4834:1:0.565 |
| Cell Dimensions: |
a = 8.26, b = 17.086, c = 9.654, Z = 4; V = 1,362.47 Den(Calc)= 2.74 |
| Crystal System: |
Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: Pbc2 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.198(1), 4.162(0.44), 3.468(0.36), |
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Physical Properties of Lisetite
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| Color: |
Colorless. |
| Diaphaneity: |
Transparent |
| Luster: |
Vitreous (Glassy) |
| Streak: |
white |
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Optical Properties of Lisetite
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| Gladstone-Dale: |
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2062,KC= 0.2059
Ncalc = 1.56 |
| Optical Data: |
Biaxial (?), a=1.56, g=1.57, bire=0.0100 |
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Calculated Properties of Lisetite
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| Electron Density: |
Bulk Density (Electron Density)=2.71 gm/cc
note: Specific Gravity of Lisetite =2.74 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0096446681
Boson Index = 0.9903553319 |
| Photoelectric: |
PELisetite = 2.34 barns/electron
U=PELisetite x rElectron Density= 6.33 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lisetite is Not Radioactive |
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Lisetite Classification
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| Dana Class: |
76.01.06.03 (76)Tectosilicate Al-Si Framework |
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(76.01)with Al-Si frameworks |
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(76.01.06)Banalsite group |
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76.01.06.01 Banalsite BaNa2Al4Si4O16 Iba2 mm2 |
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76.01.06.02 Stronalsite SrNa2Al4Si4O16 Iba2 mm2 |
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76.01.06.03 Lisetite Na2CaAl4Si4O16 Pbc2 mm2 |
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76.01.06.04 Svyatoslavite CaAl2Si2O8 P 21 2 |
| Strunz Class: |
09.FA.55 09 - SILICATES (Germanates) |
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09.F - Tektosilicates without Zeolitic H2O |
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09.FA -Tektosilicates without additional non-tetrahedral anions, (Al,B):Si = 1:1 |
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09.FA.55 Lisetite Na2CaAl4Si4O16 Pbc2 mm2 |
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Other Lisetite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.71,p1372-1377,1986) OPTIC PROP.(Am.Min.,Vol.71,p1372-1377,1986) |
| 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 :
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Lisetite
Na2CaAl4Si4O16
Dana No: 76.01.06.03 Strunz No: 09.FA.55
Locality:
Notes:
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