Chloromagnesite Mineral Data

Chloromagnesite Mineral Data
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General Chloromagnesite Information

Help on Chemical Formula: Chemical Formula: MgCl2
Help on Composition: Composition: Molecular Weight = 95.21 gm
   Magnesium  25.53 %  Mg   42.33 % MgO
   Chlorine   74.47 %  Cl   74.47 % Cl
                -   %   Cl  -16.80 % -O=Cl2   
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: MgCl2
Help on Environment: Environment: Sublimate in fumaroles. Highly deliquescent.
Help on IMA Status: IMA Status: Not Approved IMA
Help on Locality: Locality: Vesuvius, Campania, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1873 for it's composition.
Help on Synonym: Synonym: ICSD 261571
  PDF 37-774
 

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Chloromagnesite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:4.8995
Help on Cell Dimensions: Cell Dimensions: a = 3.632, c = 17.795, Z = 3; V = 203.29 Den(Calc)= 2.33
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.89(1), 2.94(0.5), 2.57(0.1),1.145(0.1), 1.178(0.1), 1.474(0.1), 1.485(0.1), 1.809(0.1),
Click Here for Large Chloromagnesite Structure Window Crystal Structure:

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Wyckoff R W G , Crystal Structures , 1 (1963) p.239-444, Second edition. Interscience Publishers, New York, New York, Note: cadmium chloride structure

 

Physical Properties of Chloromagnesite

Help on Color: Color: Colorless, White.
Help on Density: Density: 2.325
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate.
Help on Habit: Habit: Tastes Bitter - Bitter taste from water soluble Mg or Ca compounds.
Help on Streak: Streak: white
 

Optical Properties of Chloromagnesite

Help on Optical Data: Optical Data: Uniaxial (-), e=1.59, w=1.675, bire=0.0850.
 

Calculated Properties of Chloromagnesite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.25 gm/cc
note: Specific Gravity of Chloromagnesite =2.33 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEChloromagnesite = 5.47 barns/electron
U=PEChloromagnesite x rElectron Density= 12.31 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chloromagnesite is Not Radioactive
 

Chloromagnesite Classification
Help on Dana Class: Dana Class: 09.02.03.03 (09)Anhydrous and Hydrated Halides
  (09.02)where A (X)2
  (09.02.03)Dana Group
 
09.02.03.01 Lawrencite (Fe,Ni)Cl2 R 3m 3 2/m
 
09.02.03.02 Scacchite MnCl2 R 3m 3 2/m
 
09.02.03.03 Chloromagnesite* MgCl2 R 3m 3 2/m
Help on Strunz Class: Strunz Class: 03.AB.20 03 - HALIDES
  03.A - Simple Halides, Without H2O
  03.AB -M:X = 1:2
 
03.AB.20 Chloromagnesite* MgCl2 R 3m 3 2/m
 
03.AB.20 Lawrencite (Fe,Ni)Cl2 R 3m 3 2/m
 
03.AB.20 Scacchite MnCl2 R 3m 3 2/m
 

Other Chloromagnesite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Chloromagnesite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

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Chloromagnesite

MgCl2
Dana No: 09.02.03.03 Strunz No: 03.AB.20
Locality:

 

Notes: