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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Alflarsenite Mineral Data
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General Alflarsenite Information
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Chemical Formula: |
NaCa2Be3Si4O13(OH)•2H2O |
Composition: |
Molecular Weight = 503.55 gm |
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Sodium 4.57 % Na 6.15 % Na2O |
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Calcium 15.92 % Ca 22.27 % CaO |
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Beryllium 5.37 % Be 14.90 % BeO |
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Silicon 22.31 % Si 47.73 % SiO2 |
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Hydrogen 1.00 % H 8.94 % H2O |
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Oxygen 50.84 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
NaCa2Be3Si4O13(OH)•2(H2O) |
Environment: |
Zeolite group; new structure type |
IMA Status: |
Proposed IMA 2008 |
Locality: |
Tuften larvikite quarry, Tvedalen, Larvik, Vestfold, south Norway Link to MinDat.org Location Data. |
Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
Synonym: |
IMA2008-023 |
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Alflarsenite Crystallography
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Axial Ratios: |
a:b:c =0.359:1:0.4943 |
Cell Dimensions: |
a = 7.1222, b = 19.8378, c = 9.8071, beta = 111.287° V = 1,291.10 |
Crystal System: |
Monoclinic - Sphenoidal H-M Symbol (2) Space Group: P 21 |
X Ray Diffraction: |
By Intensity(I/Io): 9.095(1), 2.915(0.92), 3.972(0.76),2.964(0.7), 6.279(0.42), 3.205(0.37), 2.757(0.33), 4.189(0.32), |
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Optical Properties of Alflarsenite
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Optical Data: |
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Calculated Properties of Alflarsenite
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Fermion Index: |
Fermion Index = 0.06 Boson Index = 0.94 |
Photoelectric: |
PEAlflarsenite = 2.95 barns/electron U=PEAlflarsenite x rElectron Density= . barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Alflarsenite is Not Radioactive |
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Alflarsenite Classification
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Dana Class: |
75.00.00.00 (75)Tektosilicate Minerals |
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(75.00)Without Dana Classification Numbers |
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(75.00.00)Zeolite |
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75.00.00.00 Alflarsenite NaCa2Be3Si4O13(OH)•2H2O P 21 2 |
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75.00.00.00 Florkeite (K3Ca2Na)[Al8Si8O32]•12H2O P1 1 |
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75.00.00.00 Lechatelierite* SiO2 None |
Strunz Class: |
09.G 09 - SILICATES (Germanates) |
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09.G - Tektosilicates with Zeolitic H2O |
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09.G - |
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09.G Alflarsenite NaCa2Be3Si4O13(OH)•2H2O P 21 2 |
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Other Alflarsenite Information
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See Also: |
Links to other databases for Alflarsenite :
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 Alflarsenite using:
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[Dog Pile]
[GeoScienceWorld]
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[Ixquick]
[Lycos]
[MAMMA]
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[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Alflarsenite :
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Weinrich Minerals, Inc. Google Search for Alflarsenite
Ask about Alflarsenite 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 Alflarsenite Specimen Label here :
Alflarsenite
NaCa2Be3Si4O13(OH)•2H2O
Dana No: 75.00.00.00 Strunz No: 09.G
Locality:
Notes:
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