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Chloraluminite Mineral Data
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General Chloraluminite Information
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 Chemical Formula: |
AlCl3•6(H2O) |
| Composition: |
Molecular Weight = 241.43 gm |
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Aluminum 11.18 % Al 21.12 % Al2O3 |
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Hydrogen 5.01 % H 44.77 % H2O |
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Chlorine 44.05 % Cl 44.05 % Cl |
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- %
Cl -9.94 % -O=Cl2 |
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Oxygen 39.76 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
AlCl3•6(H2O) |
| Environment: |
Volcanic fumaroles. |
| IMA Status: |
Valid Species (Pre-IMA) 1874 |
| Locality: |
Vesuvius, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named for CHLORine and ALUMINum in its composition. |
| Synonym: |
ICSD 22071 |
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PDF 44-1473 |
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Chloraluminite Crystallography
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| Axial Ratios: |
a:c = 1:1.00667 |
| Cell Dimensions: |
a = 11.831, c = 11.91, Z = 6; V = 1,443.73 Den(Calc)= 1.67 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3c |
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Physical Properties of Chloraluminite
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| Color: |
Colorless, White, Yellowish white. |
| Density: |
1.67 |
| Diaphaneity: |
Transparent |
| Luster: |
Vitreous (Glassy) |
| Streak: |
white |
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Optical Properties of Chloraluminite
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| Optical Data: |
Uniaxial (-), e=1.507, w=1.56, bire=0.0530. |
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Calculated Properties of Chloraluminite
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| Electron Density: |
Bulk Density (Electron Density)=1.72 gm/cc
note: Specific Gravity of Chloraluminite =1.67 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0001983693
Boson Index = 0.9998016307 |
| Photoelectric: |
PEChloraluminite = 3.21 barns/electron
U=PEChloraluminite x rElectron Density= 5.50 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chloraluminite is Not Radioactive |
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Chloraluminite Classification
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| Dana Class: |
09.03.03.01 (09)Anhydrous and Hydrated Halides |
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(09.03)Dana Type |
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(09.03.03)Dana Group |
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09.03.03.01 Chloraluminite AlCl3•6(H2O) R 3c 3 2/m |
| Strunz Class: |
03.BC.05 03 - HALIDES |
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03.B - Simple Halides, with H2O |
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03.BC -M:X = 1:3 |
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03.BC.05 Chloraluminite AlCl3•6(H2O) R 3c 3 2/m |
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Other Chloraluminite Information
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| References: |
NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
| 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
14 - WWW-MINCRYST
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Print or Cut-and-Paste your Chloraluminite Specimen Label here :
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Chloraluminite
AlCl3•6(H2O)
Dana No: 09.03.03.01 Strunz No: 03.BC.05
Locality:
Notes:
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