Chloraluminite Mineral Data

General Chloraluminite Information

Chemical Formula:

AlCl3•6(H2O)

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

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

PDF 44-1473

Chloraluminite Crystallography

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

Physical Properties of Chloraluminite

Color:

Colorless, White, Yellowish white.

Density:

1.67

Diaphaneity:

Transparent

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Chloraluminite

Optical Data:

Uniaxial (-), e=1.507, w=1.56, bire=0.0530.

Calculated Properties of Chloraluminite

Electron Density:

Bulk Density (Electron Density)=1.72 gm/cc
note: Specific Gravity of Chloraluminite =1.67 gm/cc.

Fermion Index:

Fermion Index = 0.0001983693
Boson Index = 0.9998016307

Photoelectric:

PE_{Chloraluminite}= 3.21 barns/electron
U=PE_{Chloraluminite} x rElectron Density= 5.50 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chloraluminite is Not Radioactive

Chloraluminite Classification

Dana Class:

09.03.03.01 (09)Anhydrous and Hydrated Halides

(09.03)Dana Type

(09.03.03)Dana Group

09.03.03.01 Chloraluminite AlCl3•6(H2O) R 3c 3 2/m

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

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 :

Chloraluminite

AlCl3•6(H2O)
Dana No: 09.03.03.01 Strunz No: 03.BC.05
Locality:

Notes: