Mineralogy Database

Chloraluminite Mineral Data

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General Chloraluminite Information

Help on Chemical  Formula: Chemical Formula: AlCl3•6(H2O)
Help on Composition: Composition: Molecular Weight = 241.43 gm
   Aluminum  11.18 %  Al   21.12 % Al2O3
   Hydrogen   5.01 %  H    44.77 % H2O
   Chlorine  44.05 %  Cl   44.05 % Cl
               -   %   Cl   -9.94 % -O=Cl2   
   Oxygen    39.76 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: AlCl3•6(H2O)
Help on Environment: Environment: Volcanic fumaroles.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1874
Help on Locality: Locality: Vesuvius, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for CHLORine and ALUMINum in its composition.
Help on Synonym: Synonym: ICSD 22071
  PDF 44-1473

Chloraluminite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.00667
Help on Cell Dimensions: Cell Dimensions: a = 11.831, c = 11.91, Z = 6; V = 1,443.73 Den(Calc)= 1.67
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3c

Physical Properties of Chloraluminite

Help on Color: Color: Colorless, White, Yellowish white.
Help on Density: Density: 1.67
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Chloraluminite

Help on Optical Data: Optical Data: Uniaxial (-), e=1.507, w=1.56, bire=0.0530.

Calculated Properties of Chloraluminite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.72 gm/cc
note: Specific Gravity of Chloraluminite =1.67 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001983693
Boson Index = 0.9998016307
Help on Photoelectric: Photoelectric: PEChloraluminite = 3.21 barns/electron
U=PEChloraluminite x rElectron Density= 5.50 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chloraluminite is Not Radioactive

Chloraluminite Classification

Help on  Dana Class: Dana Class: (09)Anhydrous and Hydrated Halides
  (09.03)Dana Type
  (09.03.03)Dana Group Chloraluminite AlCl3•6(H2O) R 3c 3 2/m
Help on  Strunz Class: Strunz Class: 03.BC.05 03 - HALIDES
  03.B - Simple Halides, with H2O
  03.BC -M:X = 1:3
03.BC.05 Chloraluminite AlCl3•6(H2O) R 3c 3 2/m

Other Chloraluminite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Chloraluminite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Dana No: Strunz No: 03.BC.05