Stronalsite Mineral Data + 
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- 76.1.6.1 Banalsite BaNa2Al4Si4O16 I bam 2/m 2/m 2/m
- 76.1.6.2 Stronalsite SrNa2Al4Si4O16 I bam,Iba2 Ortho
- 76.1.6.3 Lisetite Na2CaAl4Si4O16 Pbc2 mm2
- 76.1.6.4 Svyatoslavite CaAl2Si2O8 P 21 2
- VIII/J.07-10 Anorthoclase (Na,K)AlSi3O8 C1 1
- VIII/J.07-20 Albite NaAlSi3O8 C1 1
- VIII/J.07-30 Oligoclase (Na,Ca)(Si,Al)4O8 C1 1
- VIII/J.07-40 Andesine* (Na,Ca)(Si,Al)4O8 C1 1
- VIII/J.07-50 Labradorite* (Ca,Na)(Si,Al)4O8 C1 1
- VIII/J.07-60 Bytownite* (Ca,Na)(Si,Al)4O8 C1 1
- VIII/J.07-70 Anorthite CaAl2Si2O8 P1,I1 1
- VIII/J.07-75 Dmisteinbergite CaAl2Si2O8 P 6/mmm 6/m 2/m 2/m
- VIII/J.07-80 Svyatoslavite CaAl2Si2O8 P 21 2
- VIII/J.07-90 Stronalsite SrNa2Al4Si4O16 I bam,Iba2 Ortho
- VIII/J.07-100 Banalsite BaNa2Al4Si4O16 I bam 2/m 2/m 2/m
- VIII/J.07-110 Filatovite! K[(Al,Zn)2(As,Si)2O8] I2/c 2/m
General Stronalsite Information |
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 Chemical Formula: |
SrNa2Al4Si4O16 | ||
| Composition: |
Molecular Weight = 609.86 gm | ||
| Sodium 7.54 % Na 10.16 % Na2O | |||
| Strontium 14.37 % Sr 16.99 % SrO | |||
| Aluminum 17.70 % Al 33.44 % Al2O3 | |||
| Silicon 18.42 % Si 39.41 % SiO2 | |||
| Oxygen 41.98 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
SrNa2Al4Si4O16 | ||
| Environment: |
Basic tuff xenoliths. | ||
| IMA Status: |
Approved IMA 1987 | ||
| Locality: |
Rendai, Kochi City, Japan. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for its composition (Strontium, Na, Al, Si). | ||
Stronalsite Image | |||
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Images:
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Stronalsite Crystallography |
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| Axial Ratios: |
a:b:c =0.8503:1:1.6883 | ||
| Cell Dimensions: |
a = 8.407, b = 9.886, c = 16.691, Z = 4; V = 1,387.22 Den(Calc)= 2.92 | ||
| Crystal System: |
OrthorhombicSpace Group: I bam,Iba2 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.206(1), 3.504(0.8), 3.184(0.72), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Stronalsite |
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| Cleavage: |
[100] Good, [001] Good | ||
| Color: |
White. | ||
| Density: |
2.95 | ||
| Diaphaniety: |
Transparent | ||
| Hardness: |
6.5 - Pyrite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Stronalsite |
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| Gladstone-Dale: |
CI meas= 0.015 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.005 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1942,KPDmeas= 0.1922,KC= 0.1951 |
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| Optical Data: |
Biaxial (+), a=1.563, b=1.564, g=1.574, bire=0.0110, 2V(Calc)=36, 2V(Meas)=32. | ||
Calculated Properties of Stronalsite |
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| Electron Density: |
relectron=2.83 gm/cc |
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| Fermion Index |
Fermion Index = 0.01886 Boson Index = 0.98114 |
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| Photoelectric: |
PEStronalsite = 17.00 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Stronalsite is Not Radioactive |
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Stronalsite Classification |
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| Dana Class: |
76.1.6.2 (76)Tectosilicate Al-Si Framework | ||
| (76.1)with Al-Si frameworks | |||
| (76.1.6)Banalsite group | |||
| Strunz Class: |
VIII/J.07-90 VIII - Silicates | ||
| VIII/J - Tectosilicates (network) without anions unfamiliar to the tetraheders | |||
| VIII/J.07 - Feldspar group, Anorthoclase - Anorthite - Banalcite series | |||
Other Stronalsite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Stronalsite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 - Mineral and Gemstone Kingdom 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 -École des Mines de Paris Search for Stronalsite using: Visit our Advertisers for Stronalsite : Translate Stronalsite Mineral Data : Ask about Stronalsite here : Print or Cut-and-Paste your Stronalsite Specimen Label here :
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