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Nosean Mineral Data

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General Nosean Information

Help on Chemical  Formula: Chemical Formula: Na8Al6Si6O24(SO4)
Help on Composition: Composition: Molecular Weight = 1,012.38 gm
   Sodium    18.17 %  Na   24.49 % Na2O
   Aluminum  15.99 %  Al   30.21 % Al2O3
   Silicon   16.65 %  Si   35.61 % SiO2
   Hydrogen   0.20 %  H     1.78 % H2O
   Sulfur     3.17 %  S     7.91 % SO3
   Oxygen    45.83 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na8Al6Si6O24(SO4)•(H2O)
Help on Environment: Environment: Igneous rocks low in silica and rich in alkalis.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1815
Help on Locality: Locality: Laacher See in the Eifel district of Rhineland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the German mineralogist, K. W. Nose (1753-1835).
Help on Name Pronunciation: Name Pronunciation: Nosean Say NOSEAN
Help on Synonym: Synonym: ICSD 203102
  PDF 17-538

Nosean Image

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Comments: Stubby crystal of nosean on matrix.
Location: Mendig, Laacher See, Rhineland-Pal., Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Nosean Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 8.85, Z = 1; V = 693.15 Den(Calc)= 2.43
Help on Crystal System: Crystal System: Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: P 43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.71(1), 2.628(0.75), 6.45(0.7),

Physical Properties of Nosean

Help on Cleavage: Cleavage: {110} Perfect
Help on Color: Color: White, Gray, Blue, Green, Brown.
Help on Density: Density: 2.3 - 2.4, Average = 2.34
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 5.5-6 - Knife Blade-Orthoclase
Help on Luminescence: Luminescence: Non-Fluorescent.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: bluish white

Optical Properties of Nosean

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.021 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2006,KPDmeas= 0.2074,KC= 0.2032
Ncalc = 1.47 - 1.49
Help on Optical Data: Optical Data: Isotropic, n=1.48-1.495.

Calculated Properties of Nosean

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.40 gm/cc
note: Specific Gravity of Nosean =2.43 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0082311248
Boson Index = 0.9917688752
Help on Photoelectric: Photoelectric: PENosean = 1.59 barns/electron
U=PENosean x rElectron Density= 3.81 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nosean is Not Radioactive

Nosean Classification

Help on  Dana Class: Dana Class: (76)Tectosilicate Al-Si Framework
  (76.02)Feldspathoids and related species
  (76.02.03)Sodalite group Sodalite Na8Al6Si6O24Cl2 P 43n 4 3m Nosean Na8Al6Si6O24(SO4) P 43m 4 3m Hauyne (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2 P 43n 4 3m Lazurite Na3Ca(Al3Si3O12)S P 43n 4 3m Bicchulite Ca2Al2SiO6(OH)2 I 43m 4 3m Kamaishilite Ca2Al2SiO6(OH)2 I-lattice Tetra Tugtupite Na4AlBeSi4O12Cl I 4 4 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 Nosean Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Nosean :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - UCLA - Petrography Thin-Sections

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Dana No: Strunz No: 09.FB.10





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