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Tetranatrolite Mineral Data

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General Tetranatrolite Information

Help on Chemical  Formula: Chemical Formula: Na2[Al2Si3O10]•2(H2O)
Help on Composition: Composition: Molecular Weight = 380.22 gm
   Sodium    12.09 %  Na   16.30 % Na2O
   Aluminum  14.19 %  Al   26.82 % Al2O3
   Silicon   22.16 %  Si   47.41 % SiO2
   Hydrogen   1.06 %  H     9.48 % H2O
   Oxygen    50.49 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2Al2Si3O10•2(H2O)
Help on Environment: Environment: Dehydration product of paranatrolite. Discredited as identical to gonnardite (AmMin, v 84, p 1445; and v 86, p 588).
Help on IMA Status: IMA Status: Discredited IMA 1999 - Approved IMA 1980
Help on Locality: Locality: Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name given in 1980 recognizes its association with and similarity in chemical composition to natrolite.
Help on Name Pronunciation: Name Pronunciation: Tetranatrolite + Pronunciation Say TETRANATROLITE
Help on Synonym: Synonym: Discredited
  ICSD 39904
  PDF 33-1205
 

Tetranatrolite Image

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  Tetranatrolite   Gonnardite

Comments: White, pseudocubic crystals of tetranatrolite (gonnardite) on matrix.
Location: Point of Rocks Mesa, Colfax County, New Mexico, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Tetranatrolite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.50806
Help on Cell Dimensions: Cell Dimensions: a = 13.02, c = 6.615, Z = 4; V = 1,121.38 Den(Calc)= 2.25
Help on Crystal System: Crystal System: Tetragonal - Scalenohedral H-M Symbol (4 2m) Space Group: I 42d
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.867(1), 4.387(0.5), 6.549(0.5),
 

Physical Properties of Tetranatrolite

Help on Cleavage: Cleavage: None
Help on Color: Color: White, Pale pink.
Help on Density: Density: 2.28
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Hardness: Hardness: 5 - Apatite
Help on Luminescence: Luminescence: Fluorescent, Short UV=pinkish white, Long UV=pinkish white.
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Tetranatrolite

Help on Dichroism (e): Dichroism (e): colorless.
Help on Dichroism (w): Dichroism (w): colorless.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.014 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2171,KPDmeas= 0.2143,KC= 0.2173
Ncalc = 1.49 - 1.5
Help on Optical Data: Optical Data: Uniaxial (+), w=1.481, e=1.496, bire=0.0150.
 

Calculated Properties of Tetranatrolite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.25 gm/cc
note: Specific Gravity of Tetranatrolite =2.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PETetranatrolite = 1.48 barns/electron
U=PETetranatrolite x rElectron Density= 3.32 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tetranatrolite is Not Radioactive
 

Tetranatrolite Classification

Help on  Dana Class: Dana Class: 77.01.05.02 (77)Tectosilicate Zeolite group
  (77.01)true zeolites
  (77.01.05)Natrolite and related species
 
77.01.05.01 Natrolite Na2[Al2Si3O10]•2(H2O) F dd2 mm2
 
77.01.05.02 Tetranatrolite? Na2[Al2Si3O10]•2(H2O) I 42d 4 2m
 
77.01.05.03 Paranatrolite Na2[Al2Si3O10]•3(H2O) Cc m
 
77.01.05.04 Mesolite Na2Ca2Al6Si9O30•8(H2O) C 2 2
 
77.01.05.05 Scolecite CaAl2Si3O10•3(H2O) Cc m
 
77.01.05.06 Edingtonite BaAl2Si3O10•4(H2O) P 21212 2 2 2
 
77.01.05.07 Gonnardite Na2CaAl4Si6O20•7(H2O) I 42d 4 2m
 
77.01.05.08 Cowlesite CaAl2Si3O10•5-6(H2O) P 2221, P mmm, Pmm2 Ortho
 
77.01.05.09 Thomsonite-Ca NaCa2Al5Si5O20•6(H2O) Pncn 2/m 2/m 2/m
 
77.01.05.10 Thomsonite-Sr! (Sr,Ca)2Na[Al5Si5O20]•7(H2O) Pcnn 2/m 2/m 2/m
 
77.01.05.11 Nabesite! Na2BeSi4O10•4(H2O) P 212121 2 2 2
Help on  Strunz Class: Strunz Class: 09.GA.05 09 - SILICATES (Germanates)
  09.G - Tektosilicates with Zeolitic H2O
  09.GA -Zeolites with T5O10 Units � The Fibrous Zeolites
 
09.GA.05 Gonnardite Na2CaAl4Si6O20•7(H2O) I 42d 4 2m
 
09.GA.05 Mesolite Na2Ca2Al6Si9O30•8(H2O) C 2 2
 
09.GA.05 Natrolite Na2[Al2Si3O10]•2(H2O) F dd2 mm2
 
09.GA.05 Paranatrolite Na2[Al2Si3O10]•3(H2O) Cc m
 
09.GA.05 Scolecite CaAl2Si3O10•3(H2O) Cc m
 
09.GA.05 Tetranatrolite? Na2[Al2Si3O10]•2(H2O) I 42d 4 2m
 

Other Tetranatrolite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8;www.saint-hilaire.ca) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Tetranatrolite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST

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

Tetranatrolite

Na2[Al2Si3O10]•2(H2O)
Dana No: 77.01.05.02 Strunz No: 09.GA.05
Locality:

 

Notes:

 

 
   
 


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