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Sveite Mineral Data

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General Sveite Information

Help on Chemical  Formula: Chemical Formula: KAl7(NO3)4Cl2(OH)16•8(H2O)
Help on Composition: Composition: Molecular Weight = 963.13 gm
   Potassium   4.06 %  K     4.89 % K2O
   Aluminum   19.61 %  Al   37.05 % Al2O3
   Hydrogen    3.35 %  H    29.93 % H2O
   Nitrogen    5.82 %  N    22.43 % N2O5
   Chlorine    7.36 %  Cl    7.36 % Cl
                -   %   Cl   -1.66 % -O=Cl2   
   Oxygen     59.80 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KAl7(NO3)4Cl2(OH)16•8(H2O)
Help on Environment: Environment: Cave wall efflorescences.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Autan Cave, Amazonas Territory, Venezuela. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Sociedad Venezolana de Espeleolgia.
Help on Name Pronunciation: Name Pronunciation: Sveite Say SVEITE

Sveite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8351:1:2.355
Help on Cell Dimensions: Cell Dimensions: a = 10.89, b = 13.04, c = 30.71, Z = 6; beta = 92.167° V = 4,357.87 Den(Calc)= 2.20
Help on Crystal System: Crystal System: Monoclinic
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.2(1), 2.443(0.55), 3.692(0.4),

Physical Properties of Sveite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: White.
Help on Density: Density: 2
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation.
Help on Habit: Habit: Flakes - Flat, thin crystals or aggregates.
Help on Hardness: Hardness: 2 - Gypsum
Help on Streak: Streak: white

Optical Properties of Sveite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.034 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.122 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2332,KPDmeas= 0.2565,KC= 0.2656
Ncalc = 1.53 - 1.58
Help on Optical Data: Optical Data: Biaxial (+), a=1.501, b=1.503, g=1.535, bire=0.0340, 2V(Calc)=30, 2V(Meas)=small.

Calculated Properties of Sveite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.04 gm/cc
note: Specific Gravity of Sveite =2.00 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PESveite = 1.60 barns/electron
U=PESveite x relectron= 3.27 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 59.84 (Gamma Ray American Petroleum Institute Units)
Concentration of Sveite per GRapi unit = 1.67 (%)

Estimated Radioactivity from Sveite - barely detectable


Sveite Classification

Help on  Dana Class: Dana Class: (19)Nitrates - Hydroxyl or Halogen
  (19.01)with miscellaneous formulae
  (19.01.03)Dana Group Sveite KAl7(NO3)4Cl2(OH)16•8(H2O) Mono
Help on  Strunz Class: Strunz Class: 05.ND.20 05 - CARBONATES (NITRATES)
  05.ND -With OH (etc.) and H2O
05.ND.20 Sveite KAl7(NO3)4Cl2(OH)16•8(H2O) Mono

Other Sveite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Sveite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 05.ND.20





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