Alflarsenite Mineral Data (original) (raw)

General Alflarsenite Information

Help on Chemical Formula: Chemical Formula:

NaCa2Be3Si4O13(OH)•2H2O

Help on Composition: Composition:

Molecular Weight = 503.55 gm

Sodium 4.57 % Na 6.15 % Na2O

Calcium 15.92 % Ca 22.27 % CaO

Beryllium 5.37 % Be 14.90 % BeO

Silicon 22.31 % Si 47.73 % SiO2

Hydrogen 1.00 % H 8.94 % H2O

Oxygen 50.84 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

NaCa2Be3Si4O13(OH)•2(H2O)

Help on Environment: Environment:

Zeolite group; new structure type

Help on IMA Status: IMA Status:

Proposed IMA 2008

Help on Locality: Locality:

Tuften larvikite quarry, Tvedalen, Larvik, Vestfold, south Norway Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

Help on Synonym: Synonym:

IMA2008-023

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Alflarsenite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.359:1:0.4943

Help on Cell Dimensions: Cell Dimensions:

a = 7.1222, b = 19.8378, c = 9.8071, beta = 111.287° V = 1,291.10

Help on Crystal System: Crystal System:

Monoclinic - SphenoidalH-M Symbol (2) Space Group: P 21

Help on X Ray Diffraction: 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),

Optical Properties of Alflarsenite

Help on Optical Data: Optical Data:

Calculated Properties of Alflarsenite

Help on Fermion Index: Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Help on Photoelectric: Photoelectric:

PEAlflarsenite = 2.95 barns/electron
U=PEAlflarsenite x rElectron Density= . barns/cc.

Help on Radioactivity: Radioactivity:

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

Alflarsenite Classification

Help on Dana Class: Dana Class:

75.00.00.00 (75)Tektosilicate Minerals

(75.00)Without Dana Classification Numbers

(75.00.00)Zeolite

75.00.00.00 Alflarsenite NaCa2Be3Si4O13(OH)•2H2O P 21 2

75.00.00.00 Florkeite (K3Ca2Na)[Al8Si8O32]•12H2O P1 1

75.00.00.00 Lechatelierite* SiO2 None

Help on Strunz Class: Strunz Class:

09.G 09 - SILICATES (Germanates)

09.G - Tektosilicates with Zeolitic H2O

09.G -

09.G Alflarsenite NaCa2Be3Si4O13(OH)•2H2O P 21 2

Other Alflarsenite Information

Help on See Also: 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

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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: