Sodalite Mineral Data

Sodalite Mineral Data
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General Sodalite Information

Help on Chemical Formula: Chemical Formula: Na8Al6Si6O24Cl2
Help on Composition: Composition: Molecular Weight = 969.21 gm
   Sodium    18.98 %  Na   25.58 % Na2O
   Aluminum  16.70 %  Al   31.56 % Al2O3
   Silicon   17.39 %  Si   37.20 % SiO2
   Chlorine   7.32 %  Cl    7.32 % Cl
               -   %   Cl   -1.65 % -O=Cl2   
   Oxygen    39.62 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na8Al6Si6O24Cl2
Help on Environment: Environment: Formed in nepheline syenites, phonolites, and related rock types. In metasomatized calcareous rocks, and in cavities in ejected volcanic blocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1811
Help on Locality: Locality: Ilímaussaq Massif, Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from its chemical composition.
Help on Name Pronunciation: Name Pronunciation: Sodalite Say SODALITE
Help on Synonym: Synonym: Hackmanite - Red variety
 

Sodalite Image

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Sodalite   Perovskite

Comments: Clear crystals of sodalite with hoppered perovskite on matrix.
Location: Udersdorf, Rhineland-Palatinate, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
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Sodalite   Winchite

Comments: Purple sodalite with some crystal faces, supporting a very sharp, transparent winchite crystal, terminated on one end.
Location: Sar-e-Sang, Kokcha Valley, Badakshan Province, Afghanistan. Scale: 11x10x8 mm.
© Richard Dale / Dale Minerals

Sodalite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 8.85, Z = 1; V = 693.15 Den(Calc)= 2.32
Help on Crystal System: Crystal System: Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: P 43n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.63(1), 2.1(0.8), 6.3(0.8),
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Hassan I , Antao S M , Parise J B , American Mineralogist , 89 (2004) p.359-364, Sodalite: High-temperature structures obtained from synchrotron radiation, and Rietveld refinements, Sample: T = 28 C

View Additional jPOWD Structure files for Sodalite
[1] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [2] [20] [3] [4] [5] [6] [7] [8] [9]
 

Physical Properties of Sodalite

Help on Cleavage: Cleavage: {110} Poor
Help on Color: Color: Azure blue, White, Pink, Gray, Green.
Help on Density: Density: 2.29
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Disseminated - Occurs in small, distinct particles dispersed in matrix.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luminescence: Luminescence: Fluorescent, Short UV=yellow white orange, Long UV=yellow white,red orange.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Sodalite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.015 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.028 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2084,KPDmeas= 0.2111,KC= 0.2144
Ncalc = 1.49 - 1.5
Help on Optical Data: Optical Data: Isotropic, n=1.483-1.484.
 

Calculated Properties of Sodalite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.25 gm/cc
note: Specific Gravity of Sodalite =2.29 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0083097148
Boson Index = 0.9916902852
Help on Photoelectric: Photoelectric: PESodalite = 1.93 barns/electron
U=PESodalite x rElectron Density= 4.34 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sodalite is Not Radioactive
 

Sodalite Classification
Help on Dana Class: Dana Class: 76.02.03.01 (76)Tectosilicate Al-Si Framework
  (76.02)Feldspathoids and related species
  (76.02.03)Sodalite group
 
76.02.03.01 Sodalite Na8Al6Si6O24Cl2 P 43n 4 3m
 
76.02.03.02 Nosean Na8Al6Si6O24(SO4) P 43m 4 3m
 
76.02.03.03 Hauyne (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2 P 43n 4 3m
 
76.02.03.04 Lazurite Na3Ca(Al3Si3O12)S P 43n 4 3m
 
76.02.03.05 Bicchulite Ca2Al2SiO6(OH)2 I 43m 4 3m
 
76.02.03.06 Kamaishilite Ca2Al2SiO6(OH)2 I-lattice Tetra
 
76.02.03.07 Tugtupite Na4AlBeSi4O12Cl I 4 4
 
76.02.03.08 Tsaregorodtsevite N(CH3)4AlSi5O12 I 222 2 2 2
Help on Strunz Class: Strunz Class: 09.FB.10 09 - SILICATES (Germanates)
  09.F - Tektosilicates without Zeolitic H2O
  09.FB -Tektosilicates with additional anions
 
09.FB.10 Bicchulite Ca2Al2SiO6(OH)2 I 43m 4 3m
 
09.FB.10 Danalite Fe4Be3(SiO4)3S P 43n 4 3m
 
09.FB.10 Hauyne (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2 P 43n 4 3m
 
09.FB.10 Genthelvite Zn4Be3(SiO4)3S P 43n 4 3m
 
09.FB.10 Helvite Mn4Be3(SiO4)3S P 43n 4 3m
 
09.FB.10 Lazurite Na3Ca(Al3Si3O12)S P 43n 4 3m
 
09.FB.10 Kamaishilite Ca2Al2SiO6(OH)2 I-lattice Tetra
 
09.FB.10 Nosean Na8Al6Si6O24(SO4) P 43m 4 3m
 
09.FB.10 Sodalite Na8Al6Si6O24Cl2 P 43n 4 3m
 
09.FB.10 Tugtupite Na4AlBeSi4O12Cl I 4 4
 
09.FB.10 Tsaregorodtsevite N(CH3)4AlSi5O12 I 222 2 2 2
 

Other Sodalite Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(www.saint-hilaire.ca) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Sodalite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - GeoScienceWorld
9 - Glendale Community College
10 - Google Images
11 - Google Scholar
12 - Handbook of Mineralogy (MinSocAm)
13 - Handbook of Mineralogy (UofA)
14 - MinDAT
15 - Mineralienatlas (Deutsch)
16 - Online Mineral Museum
17 - Philatelic Mineralogy
18 - QUT Mineral Atlas
19 - Ruff.Info
20 - Tradeshop.com - The Rainbow of Gems
21 - WWW-MINCRYST
22 - YupRocks
23 - Zeolite Database by Bruno Herreros

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

Sodalite

Na8Al6Si6O24Cl2
Dana No: 76.02.03.01 Strunz No: 09.FB.10
Locality:

 

Notes: